Digoxin Side Effects

Digoxin or Lanoxin, Digitek, Digox Information (dosing, side effects, patient counseling)
Digoxin or Lanoxin, Digitek, Digox Information (dosing, side effects, patient counseling) Side Effects 0 Views • 2 months ago

Digoxin is also known by the brand names: Lanoxin, Digitek, and Digox.

Digoxin is also known by the brand names: Gigitek, Digox, lanoxin (display names on screen)
Digoxin comes in 125, and 250 mcg tablets and also in a 0.05mg/ml solution.
Digoxin is most commonly used for heart failure and to treat a fast heartbeat. It can be used for other reasons as well, talk with your doctor or pharmacist. No matter what your doctor has you taking it for, Digoxin is taken by mouth at the same time once daily with food.
If you miss a dose of digoxin:
• Take the missed dose as soon as you think about it
• If it has been over 12 hours or more since the missed dose, skip the missed dose and go back to your usual time
• If you miss your dose by 2 or more days, call your doctor
• Do not take 2 doses at the same time or extra doses

The best way to store digoxin:
• Store at room temperature
• Protect from light
• Store in a dry place. Avoid storing in the bathroom and refrigerator.
• Keep in a safe place, out of the reach of children and pets
• Check with your pharmacist about how to throw out unused drugs

Usual doses of digoxin range from 125 mcg to 250 mcg.

Some less common side effects with digoxin include dizziness, mental disturbances, headache, anxiety, confusion, depression, and fever.

Do not take digoxin if:
• You have ventricular fibrillation

When taking digoxin, remember it is important to tell your doctor or pharmacist if you have:
• Signs of an allergic reaction, like rash; hives; itching; blistered, or peeling skin with or without fever
• Very bad dizziness or passing out
• Upset stomach or throwing up
• Diarrhea
• Change in eyesight
• Seeing halos or bright colors around lights
• Feeling confused
• Fast or slow heartbeat
• Hallucinations
• Very bad belly pain

Digoxin : Digoxin Mechanism Of Action , Uses, Dosage & Side Effects Of Digoxin
Digoxin : Digoxin Mechanism Of Action , Uses, Dosage & Side Effects Of Digoxin Side Effects 0 Views • 2 months ago

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- This is lesson n# 12 in "A DRUG IN BRIEF" Series. In this video I'm gonna discuss almost all you need to know about Digoxin

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- Digoxin Mechanism Of Action, uses, dosage, side effects , contraindications and precautions

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Cardiac Glycosides & Antidysrhythmic Class I-II - Pharmacology  - Cardiovascular | @LevelUpRN
Cardiac Glycosides & Antidysrhythmic Class I-II - Pharmacology - Cardiovascular | @LevelUpRN Side Effects 0 Views • 2 months ago

Cathy covers the following cardiovascular medications in this video: Cardiac Glycosides (Digoxin), Class I Antidysrhythmics (sodium channel blockers), and Class II Antidysrhythmics (beta blockers).

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0:00 What To Expect
0:15 Cardiac Glycosides
0:31 Digoxin
0:45 Mode of Action
1:04 Side Effects
1:41 Administration
1:56 Nursing Care
3:01 Class I Antidysrhythmics
3:38 Side Effects/ Black Box Warning
4:12 Nursing Care
4:29 Class II Antidysrhythmics
4:57 Side Effects
5:28 Beta 1 vs. Non Selective Blockers
6:14 What’s Next?

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Pharmacology - Digoxin l Cardiac Glycoside - for Registered Nurse RN  & PN NCLEX
Pharmacology - Digoxin l Cardiac Glycoside - for Registered Nurse RN & PN NCLEX Side Effects 0 Views • 2 months ago

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Cardiac glycosides like Digoxin are positive inotropic drugs that help give the heart a more forceful contraction, or in other words, they help increase the contractility of the heart muscle (the myocardium). Digoxin and other cardiac glycosides like Milrinone, help to increase cardiac output (C.O.), fancy words for helping the heart to pump out more oxygen rich blood to the body.

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Digoxin: Mechanism of Action and Toxicity
Digoxin: Mechanism of Action and Toxicity Side Effects 0 Views • 2 months ago

Digoxin is a medication that is commonly used for congestive heart failure (CHF) and arrhythmias like atrial fibrillation or flutter with rapid ventricular rates (RVR). It has largely been replaced by medications that have a safe side-effect panel like beta-blockers and calcium channel blocks, but you will still see patients on this medication every now and then. Even though prescribing this medication is reserved for cardiology, it is still important for perioperative providers to understand how this medication works and why it is used. This video will focus on the indications and mechanism of action - the next video will focus on the toxicity associated with it.

There are two main mechanisms of action that make Digoxin suitable for both CHF and Afib/flutter with RV. It all starts with Digoxin binding to the potassium-binding site on the sodium-potassium (Na-K) ATPase channel found on myocardiocytes. By blocking this channel, it functionally reduces the amount of Na that is being released from the cell and causes a rise in intracellular Na. This not only changes in the intra/extracellular concentration gradient of Na, it causes an influx of calcium (Ca2+) into the myocardiocytes. This is where the magic happens.

An increase of calcium within heart cells leads to increase contractility - or positive inotropy. This is useful for CHF patients who may have reduced ventricular function and reduced contractility.

You will also see AV node inhibition from the rise of intracellular Ca2+. This leads to a prolonged phase 4 and phase 0 of the cardiac action potential and an increase in parasympathetic tone. This is useful for patients who don’t respond to beta-blockers or calcium channel blockers in the setting of afib/flutter with RVR. Slowing this conduction (negative dromotrophy) leads to a slowed ventricular rate.

Some of the hesitation from using Digoxin is its narrow therapeutic index and risk of side effects from toxicity.

Patient-specific risk factors for Digoxin toxicity include advanced age, worsening renal function, low body weight, and medication noncompliance (ie. taking more than what is prescribed). There are also electrolyte imbalances that lead to toxic levels. The major one is HYPOkalemia (low potassium). Other electrolyte abnormalities that make toxicity more likely include hypercalcemia and hypomagnesemia.

There are a variety of signs and symptoms to look out for with Digoxin toxicity. The mild ones include: nausea, vomiting, diarrhea, and abdominal pain. The visual changes are quite specific, or pathognomonic, for digoxin toxicity - yellow to green tint in vision, blurry vision, flashes of light. The severe symptoms involving arrhythmias occurs when digoxin blood levels are supratherapeutic (0.8-2 ng/mL): ventricular tachycardias and atrial tachycardias with AV blocking.

There are normal EKG changes that are associate with Digoxin use. The most common rhythms changes are bradycardia and PVCs. There are other changes that can be worrisome for things like myocardial ischemia, but are normal in this setting. These changes include:
- Down-sloping ST-segment depressions (“scooped appearance”)
- Decreased QT interval
- Increased PR interval
- T-wave inversion/flattening

Lastly, if you patient is having life-threatening Digoxin toxicity (ie. Ventricular tachycardias), there is an antidote available known as Digibind or DigiFab. This is a digoxin-specific antibody (Fab) fragments. When they bind Digoxin, there form complexes that are removed from the circulating blood volume and excreted in the urine.

What Are Digoxin's Side Effects? - The Disease Encyclopedia
What Are Digoxin's Side Effects? - The Disease Encyclopedia Side Effects 0 Views • 2 months ago

What Are Digoxin's Side Effects? In this informative video, we will cover the side effects of digoxin, a medication commonly prescribed for various heart conditions. Understanding the potential side effects is essential for anyone using this treatment, as it can help you manage your health effectively. We’ll discuss both the common and serious side effects associated with digoxin, providing you with the necessary information to recognize symptoms and when to seek medical assistance.

From gastrointestinal issues to heart-related complications, we aim to give you a comprehensive overview of what to expect while taking digoxin. Additionally, we will highlight the importance of monitoring your health and communicating with your healthcare provider about any concerning symptoms.

This video is designed to be a helpful resource for patients and caregivers navigating the complexities of heart medication. Knowledge is power, and being informed can significantly impact your overall well-being. Join us for this essential discussion, and don’t forget to subscribe to our channel for more helpful information on diseases, medical conditions, and treatments.

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Digoxin
Digoxin Side Effects 0 Views • 2 months ago

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In this lecture Professor Kristin Beach, MSN, BSN, RN will be presenting on Digoxin (Lanoxin). To see what we will be talking about, please see the chapters below in the table of contents. We hope you enjoy this lecture and be sure to support us below!

Table of Contents:
0:00 Lab
0:22 Digoxin - Class, Indication, MOA
4:42 Defining Inotropic, Chronotropic, Dromotropic
5:49 Side Effects & Toxicity
10:12 Patient Education & Nursing Interventions
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Digoxin Nursing Considerations, Side Effects, and Mechanism of Action Pharmacology for Nurses
Digoxin Nursing Considerations, Side Effects, and Mechanism of Action Pharmacology for Nurses Side Effects 0 Views • 2 months ago

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Digoxin

Generic Name: digoxin

Trade Name: Lanoxin

Indication: CHF, A-fib, A-flutter Action Positive inotropic effect (increases force of myocardial contraction), prolongs refractory period, ↓ conduction through SA and AV nodes. Essentially digoxin is given to increase cardiac output and slow the rate.

Therapeutic Class: antiarrhythmic, inotropics

Pharmacologic Class: digitalis glycosides

Nursing Considerations:
 Excreted by kidneys
 Assess patient for hypersensitivity
 Contraindicated with uncontrolled ventricular arryhtmias
 Hypokalemia increase risk for toxcicity
 Hypercalcemia ↑ risk for toxicity
 Use caution with diuretic use as they may cause electrolyte abnormalities that can lead to toxicity
 Assess patient for cardiac arrythmias including bradycardia
 Signs of toxicity include vision changes (blurred vision, yellow, green vision disturbances)
 Monitor pulse rate for 1 full minute prior to dosing patient (hold for pulse less than 60)

PHARMACOLOGY REVIEW: DIGOXIN
PHARMACOLOGY REVIEW: DIGOXIN Side Effects 1 Views • 2 months ago

In this video I break down the medication Digoxin. I discuss the side effects, nurse's role and patient education. I also discuss Digoxin toxicity and what can be done about it.

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0:23 What does it do?
1:12 Uses
1:47 Side Effects
2:36 Nursing Care
3:54 Patient Education
5:50 Toxicity

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Did Vincent Van Gogh Suffer From Digoxin Toxicity?
Did Vincent Van Gogh Suffer From Digoxin Toxicity? Side Effects 0 Views • 2 months ago

**Mistake in video: hyPOkalemia (low potassium) can exaggerate dig toxicity. Someone missed this in editing**

Digoxin is a an old drug originally derived from the purple foxglove plant. Today we have newer, safer, and more efficacious medications but digoxin still has a place in a doctor's armamentarium. Xanthopsia is a rare side effect that causes a your vision to have a yellow hue. Is it possible that Vincent Van Gogh suffered from digoxin toxicity?

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How Does Digoxin Reduce Heart Rate?
How Does Digoxin Reduce Heart Rate? Side Effects 0 Views • 2 months ago

How does Digoxin reduce heart rate? Find out how Digoxin works in the heart and why it has an effect on heart rate.

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#digoxin | Uses, Dosage, Side Effects & Mechanism | Lanoxin
#digoxin | Uses, Dosage, Side Effects & Mechanism | Lanoxin Side Effects 0 Views • 2 months ago

Digoxin is a cardiac glycoside used in the treatment of mild to moderate heart failure and for ventricular response rate control in chronic atrial fibrillation.

In this video, let’s find found:
What is digoxin?
What is digoxin used for?
Contraindication
What are the side effects of taking digoxin?
How does digoxin work?
How to use digoxin?

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Tags: he-info, digoxin, digoxin uses, digoxin dosage, digoxin side effects, digoxin mechanism, digoxin indication, digoxin contraindications, digoxin mechanism of action, digitalis, digoxin tablet, digoxin pharmacology, digoxin tablets, digoxin tablets ip 0.mg, digoxin and hypokalemia, digoxin and diuretics, digoxin level, digoxin drug class, digoxin and potassium, digoxin adverse effects, digoxin administration, digoxin and heart rate, digitalis, Inotropic Agents

Pharmacology: Drugs for Heart Failure, Animation
Pharmacology: Drugs for Heart Failure, Animation Side Effects 0 Views • 2 months ago

Mechanisms of actions of ACE inhibitors, Angiotensin receptor blockers (ARBs), Beta-blockers, Aldosterone receptor antagonists (ARAs), Digoxin, Ivabradine, Angiotensin Receptor-Neprilysin Inhibitor, ARNIs (sacubitril/valsartan), Diuretics, Vasodilators. Role of RAAS, sympathetic system and natriuretic peptide system in pathophysiology of Congestive heart failure (CHF) and rational for treatment of HF.

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Heart failure is when the heart is unable to pump effectively, called systolic heart failure; or unable to fill properly, called diastolic heart failure. In both cases, blood output is reduced. Ejection fraction is reduced in systolic heart failure, but typically preserved in diastolic heart failure.
The pathophysiology of heart failure involves a vicious cycle in which reduced cardiac output, as a compensatory response, activates the renin-angiotensin-aldosterone system (RAAS) and sympathetic system. However, these systems cause vasoconstriction, increase heart rate and blood pressure, making it even harder for the heart to pump. Increased aldosterone level also promotes ventricular remodeling, myocardial scarring, and vascular injury, worsening the disease.
On the other hand, the natriuretic peptide system is also activated. This system is protective to the heart. It promotes vasodilation, sodium and water excretion, and inhibits cardiac remodeling.
Most drugs used in heart failure therapy aim to inhibit RAAS and sympathetic activities, and/or promote the natriuretic system. Other drugs increase ventricular contractility or reduce water retention – a major heart failure symptom.
First-line therapy for patients with reduced ejection fraction typically includes an angiotensin-converting enzyme (ACE) inhibitor, and a beta-blocker.
- ACE inhibitors block the conversion of angiotensin-I to angiotensin-II in RAAS, thereby inhibiting RAAS activity. Common side effects include dry cough, headache, and hypotension. Rarely, ACE inhibitors may cause a swelling reaction known as angioedema.
- Angiotensin receptor blockers (ARBs) inhibit the effects of angiotensin-II. Their mechanism of action is similar to that of ACE inhibitors, but they do not usually cause a cough.
- Beta-blockers decrease heart rate by binding to β1-adrenergic receptor in the heart and blocking the sympathetic influences that act through these receptors. Adverse effects: hypotension, bradycardia and AV blocks.
- Vasodilators reduce blood pressure and are usually used for patients who cannot tolerate ACE inhibitors or ARBs.
- Diuretics are often prescribed to relieve fluid retention. Loop diuretics are most powerful and typically used for most patients. Thiazides are less effective, but they also have a vasodilation effect, and are thus preferred for patients with hypertension but only mild fluid retention.
- Aldosterone receptor antagonists block the action of aldosterone. Because aldosterone’s primary function is to promote sodium and water retention, and potassium excretion; aldosterone antagonists act as potassium-sparing diuretics. However, their effect in heart failure treatment is also attributed to the inhibition of aldosterone’s damaging impact on the heart and blood vessels.
- Digoxin increases cardiac contractility by inhibiting the sodium-potassium pump, causing intracellular sodium concentration to rise. This then leads to higher levels of intracellular calcium via the action of sodium-calcium exchanger. Higher calcium results in increased muscle contraction. Digoxin also decreases sympathetic activities, slowing down heart rate.
- Ivabradine slows the heart rate by inhibiting the “funny” channel responsible for spontaneous firing of the SA node. Adverse effects include bradycardia, atrial fibrillation, and vision problems.
- ARNIs are a new class of medications. ARNI therapy consists of a neprilysin inhibitor and an ARB.

Digoxin Toxicity - Symptoms, Diagnosis & Treatment | Credihealth
Digoxin Toxicity - Symptoms, Diagnosis & Treatment | Credihealth Side Effects 0 Views • 2 months ago

Digoxin Toxicity - Symptoms, Diagnosis & Treatment | Credihealth

Digoxin toxicity is a potentially serious condition that can occur when there are excessive levels of the medication digoxin in the body. Digoxin is a cardiac glycoside primarily used to treat various heart conditions, including heart failure, atrial fibrillation, and other supraventricular tachycardias.

The signs and symptoms of digoxin toxicity may include:

Cardiac effects:
Bradycardia (slow heart rate)
Irregular heartbeats (arrhythmias)
Cardiac conduction disturbances
Gastrointestinal effects:
Nausea and vomiting
Abdominal pain
Diarrhea
Anorexia

Neurological effects:
Visual disturbances (blurred vision, yellow-green halos)
Confusion
Drowsiness
Headache
Dizziness
Weakness

Other effects:
Electrolyte imbalances (hypokalemia, hypercalcemia)
Increased risk of digoxin toxicity in patients with kidney dysfunction
The risk of digoxin toxicity increases with factors such as:

Excessive dosage of digoxin
Impaired kidney function (reduced clearance of digoxin)
Electrolyte imbalances (hypokalemia, hypercalcemia, hypomagnesemia)
Drug interactions (e.g., with diuretics, antiarrhythmics, antibiotics)
Advanced age
Low lean body mass

If digoxin toxicity is suspected, immediate medical attention is required. Treatment may involve discontinuing digoxin, administering digoxin-specific antibody fragments (Digibind) to bind and remove digoxin from the body, correcting electrolyte imbalances, and providing supportive care as needed.

Monitoring digoxin levels, adjusting dosages based on kidney function, and avoiding drug interactions are essential measures to prevent digoxin toxicity in patients receiving this medication.

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Digoxin: Use & Effects in Heart Failure (Part 1) | Sketchy
Digoxin: Use & Effects in Heart Failure (Part 1) | Sketchy Side Effects 0 Views • 2 months ago

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An overview of digoxin, a cardiac glycoside used for symptomatic treatment of chronic heart failure. It explains how digoxin works, the drug's role as an antiarrhythmic and its potential side effects, such as hyperkalemia and gastrointestinal symptoms.

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Digoxin Nursing Pharmacology NCLEX (Cardiac Glycosides)
Digoxin Nursing Pharmacology NCLEX (Cardiac Glycosides) Side Effects 0 Views • 2 months ago

Digoxin nursing pharmacology NCLEX (cardiac glycosides) review on the mechanism of action, nursing implications, teaching, and digoxin toxicity.

Digoxin is a cardiac glycoside that helps the heart pump efficiently. It does this by inhibiting the normal function of the sodium-potassium pump.

This will alter how the heart contracts. In addition, this medication alters the rate of how fast/slow the heart beats and how fast/slow the impulses are conduction through the electrical conduction system.

Therefore, Digoxin creates the following actions on the heart: positive inotropic, negative chronotropic, and negative dromotropic actions

All of these actions together cause the heart to empty more efficiently and increase stroke volume. This will in turn increase cardiac output.

Digoxin nursing implications include: monitor for Digoxin toxicity (nausea, vomiting, anorexia, yellow-greenish halos in vision, and dysrhythmias), Digoxin toxicity can be caused from a low potassium level, high calcium level, or low magnesium level, the nurse also wants to measure the apical pulse for one full minute prior to administration

Teaching for this drug includes: how to monitor for toxicity, diet high in potassium if the patient if they are on a potassium-wasting drug, how to count the heart rate etc.

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Digitalis | Digoxin Clinical Uses and Adverse Effects
Digitalis | Digoxin Clinical Uses and Adverse Effects Side Effects 0 Views • 2 months ago

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Digitalis | Digoxin Clinical Uses and Adverse Effects

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Digoxin is used to treat heart failure and abnormal heart rhythms (arrhythmias). It helps the heart work better and it helps control your heart rate.
Digoxin is a medication used to manage and treat heart failure and certain arrhythmias, and abortion. It is in the cardiac glycoside class of drugs. This article outlines the indications, action, and contraindications for digoxin as a valuable agent in managing heart failure and certain arrhythmias
Digoxin is used to treat heart failure, usually along with other medications. It is also used to treat certain types of irregular heartbeat (such as chronic atrial fibrillation). Treating heart failure may help maintain your ability to walk and exercise and may improve the strength of your heart. Treating an irregular heartbeat can also improve your ability to exercise.Digoxin belongs to a class of medications called cardiac glycosides. It works by affecting certain minerals (sodium and potassium) inside heart cells. This reduces strain on the heart and helps it maintain a normal, steady, and strong heartbeat.

How to use Digoxin
Take this medication by mouth with or without food as directed by your doctor, usually once daily. If you are using the liquid form of this medication, carefully measure the dose using the dropper provided by the manufacturer. Do not use a household spoon because you may not get the correct dose.

Your body may not absorb this drug as well if you also eat foods that are high in fiber or if you take certain medications. Take this medication at least 2 hours before or after eating food products that are high in fiber (such as bran). If you are also taking cholestyramine, colestipol, or psyllium, wait at least 2 hours after taking your digoxin dose before taking any of these products. If you are taking antacids, kaolin-pectin, milk of magnesia, metoclopramide, sulfasalazine, or aminosalicylic acid, take them as far apart from your digoxin dose as possible. Ask your pharmacist if you are not sure when to take any of your medications.

The dosage of this medication is based on your medical condition, age, body weight, laboratory tests, and response to treatment.

Use this medication regularly to get the most benefit from it. To help you remember, use it at the same time each day. Do not stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is suddenly stopped.
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Digoxin Mnemonic - Cardiac Glycosides (Inotropes) - Cardiac Pharmacology - Cardiology
Digoxin Mnemonic - Cardiac Glycosides (Inotropes) - Cardiac Pharmacology - Cardiology Side Effects 0 Views • 2 months ago

Digoxin (Digitalis or Cardiac glycosides include Digoxin, Digitoxin, Oubain) Mnemonic | Cardiology.

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Digoxin Explained Clearly - Exam Practice Question
Digoxin Explained Clearly - Exam Practice Question Side Effects 0 Views • 2 months ago

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Dr. Roger Seheult reviews key features of digoxin and how it relates to exam questions and clinical practice. Includes discussion on the digoxin mechanism of action and narrow therapeutic window, how antacids affect digoxin, and digoxin side effects and toxicity. This question is from the BoardVitals NAPLEX Question Bank.

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Digoxin Overview | NCLEX Pharmacology Tips
Digoxin Overview | NCLEX Pharmacology Tips Side Effects 1 Views • 2 months ago

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Digoxin (Toloxin) - Uses, Dosing, Side Effects | Medication Review
Digoxin (Toloxin) - Uses, Dosing, Side Effects | Medication Review Side Effects 0 Views • 2 months ago

In this episode, I discuss a medication known as digoxin (Toloxin).

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Digoxin SIDE EFFECTS you need to know NOW!
Digoxin SIDE EFFECTS you need to know NOW! Side Effects 0 Views • 2 months ago

DIGOXIN SIDE EFFECTS
Digoxin is derived from foxglove (a flowering plant of the plant genus digitalis). According to the National Capital Poison Center, “all parts of the plant are poisonous, possibly even deadly, if swallowed.”

MECHANISM OF ACTION
Fundamentally, digoxin is a poison. It exerts its therapeutic effect by poisoning a cell membrane protein known as the sodium-potassium ATPase (Na+/K+ pump). When this pump is poisoned, sodium accumulates within the cell (the therapeutic target being cardiac muscle cells). Another cell membrane protein called the sodium-calcium exchanger normally exchanges intracellular calcium for extracellular sodium. However, when the concentration of sodium inside the cell is high (as is the case for someone taking digoxin), the sodium-calcium exchanger shuts down. The consequence? Calcium accumulates within the cardiac muscle cell, which causes the heart to contract more forcefully. This can be useful for patients with heart failure.

Digoxin also stimulates the vagus nerve, which has the effect of slowing the conduction of electrical impulses. For this reason, digoxin can also be used to treat atrial fibrillation.

SIDE EFFECTS
The probability that an individual will experience side effects from digoxin is roughly 1 in 5 (20%). Side effects tend to affect one of three systems: #1 cardiac conduction system (e.g., bradycardia, tachycardia, atrioventricular (AV) block, ventricular arrhythmia); #2 central nervous system (e.g., headache, weakness, dizziness, apathy, confusion, depression, anxiety, delirium, hallucinations); #3 gastrointestinal system (e.g., diarrhea, nausea/vomiting, abdominal pain, intestinal ischemia, intestinal hemorrhagic necrosis).

DIGOXIN TOXICITY
Digoxin is a “narrow therapeutic index drug,” meaning that the difference between a dose that will result in therapeutic failure and a dose that will cause life-threatening toxicity is very small. Somewhere in the middle (a very narrow window) is the therapeutic window. That’s what doctors are aiming for, and the thing is… it is slightly different in every patient. So, the doctor will consider the clinical response of the patient in conjunction with the serum concentration of digoxin to optimize the dose and avoid overt toxicity.

“Digoxin toxicity” is a condition characterized by nausea/vomiting, cardiovascular symptoms (e.g., cardiac arrhythmias), yellow-green visual color disturbances/halo effect, dizziness, and fatigue (Cummings et al.). The symptoms can vary from one patient to another. For instance, many elderly patients exhibit vague symptoms such as dizziness and fatigue, making the diagnosis more difficult. If toxicity is suspected, the physician will order a blood test to check the serum digoxin level. Digoxin toxicity is most likely to occur when the serum digoxin concentration exceeds 2.0 ng/mL.

DIGOXIN TOXICITY TREATMENTS
If digoxin toxicity does occur, treatment do exist. For instance, in the case of a large overdose, an antidote can be given (digoxin immune Fab), which is 80-90% effective in reversing digoxin toxicity. Despite the availability of this and other treatments, digoxin toxicity is a very serious condition. Consider the following quote: “When treated promptly, the outcomes are good, but any delay in treatment can lead to death” (Cummings et al.).

PROBABILITY OF DIGOXIN TOXICITY: 1-4%
In any given patient taking digoxin, the risk of digoxin toxicity is somewhere between 1 in 100 (1%) and 1 in 25 (4%). The risk rises with age. For instance, in those age greater than 40, the risk of toxicity is 1%; however, in those age greater than 85, the risk is closer to 4% (David et al.).

00:00 Introduction
00:18 Narrow therapeutic index
00:47 Theapeutic effects
01:03 Probability of side effects
01:29 Side effects
03:15 Digoxin toxicity
03:41 Digoxin toxicity: symptoms
04:35 Starry Night by Vincent Van Gogh
05:15 Digoxin toxicity: predisposing factors
06:13 Digoxin toxicity: risk by age
06:29 Digoxin toxicity: treatment
07:15 Digoxin drug interactions
08:10 Prevent arrhythmias after ablation

DISCLAIMER
These videos have not been peer-reviewed. This content should not be used as medical advice, and must never replace the professional judgement of a licensed physician. All content on this channel is for educational purposes only.

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Digoxin overview | uses, dosage and side effects
Digoxin overview | uses, dosage and side effects Side Effects 0 Views • 2 months ago

Brief digoxin overview, dosage, uses and side effects
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Digoxin Mechanism and Side Effects
Digoxin Mechanism and Side Effects Side Effects 0 Views • 2 months ago

Digoxin is a medication primarily used to treat certain heart conditions, particularly atrial fibrillation and congestive heart failure. It belongs to a class of drugs known as cardiac glycosides. Digoxin is derived from the foxglove plant (Digitalis purpurea) and has been used for centuries in the treatment of various heart-related ailments.

Here are some key points about Digoxin:

1. Mechanism of Action: Digoxin works by increasing the strength and efficiency of heart contractions. It does this by inhibiting the sodium-potassium pump in the heart, leading to an increase in intracellular calcium levels. This elevated calcium concentration improves the heart's contractility.

2. Indications: Digoxin is commonly prescribed for the treatment of atrial fibrillation and congestive heart failure. In atrial fibrillation, it can help control the heart rate by slowing down electrical conduction in the atrioventricular node. In congestive heart failure, it can improve cardiac output and reduce symptoms of heart failure.

3. Dosage: The appropriate dose of digoxin can vary depending on a person's age, weight, and specific medical condition. It's crucial to take this medication exactly as prescribed by a healthcare provider. Regular blood tests may be necessary to monitor digoxin levels, as the drug has a narrow therapeutic window, meaning that too much can be toxic.

4. Side Effects: Common side effects of digoxin include nausea, vomiting, loss of appetite, and changes in vision (such as blurred or yellow-tinted vision). These symptoms may be indicative of digoxin toxicity. Severe toxicity can lead to life-threatening arrhythmias or other cardiac problems.

5. Interactions: Digoxin can interact with several other medications, potentially affecting its effectiveness or increasing the risk of side effects. It's essential to inform your healthcare provider of all the medications, including over-the-counter drugs and supplements, that you are taking.

6. Precautions: Digoxin should be used with caution in people with certain medical conditions, such as kidney problems or electrolyte imbalances. It is generally not recommended during pregnancy unless the benefits outweigh the risks.

7. Monitoring: Regular monitoring of heart rate and digoxin blood levels is essential while taking this medication. In some cases, an electrocardiogram (ECG) may be performed to assess heart function.

8. Toxicity: Digoxin toxicity can be life-threatening and may result from an overdose or impaired clearance of the drug. Symptoms of toxicity include severe nausea, vomiting, confusion, dizziness, and irregular heart rhythms. If you experience any of these symptoms, seek medical attention immediately.

9. Alternative Treatments: While digoxin has been used for many years, there are alternative medications available for the treatment of atrial fibrillation and congestive heart failure. Healthcare providers will consider various factors when choosing the most appropriate treatment for an individual.

It's crucial to use digoxin only under the supervision and guidance of a healthcare provider, as it requires careful monitoring to ensure its safe and effective use. If you or someone you know is prescribed digoxin, make sure to follow the prescribed dosage and seek medical attention if you experience any concerning side effects or symptoms of toxicity.