Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
|
What is Class 1 antidysrhythmic drugs?
|
Sodium Channel Blockers
|
|
|
What is Class 2 antidysrhythmic drugs?
|
Beta Blockers
|
|
|
What is Class 3 antidysrhythmic drugs?
|
Potassium Channel Blockers
|
|
|
What is Class 4 antidysrhythmic drugs?
|
Calcium Channel Blockers
|
|
|
What is Class 5 antidysrhythmic drugs?
|
Digoxin and Adenosine
|
|
|
Supraventricular dysrhythmias are especially harmful.
T or F |
False
|
|
|
Atrial Fibrillation carries a risk of ___.
|
Stroke
|
|
|
What is the prototype of Class IA drugs?
|
Quinidine
|
|
|
What are the actions of Quinidine?
|
Slows impulse conduction
Delays repolarization (QRS and QT widening) |
|
|
Quinidine blocks vagal nerve impulses and can increase heart rate.
T or F |
True, pretreated before using drug
|
|
|
What are the adverse effects of Quinidine?
|
Diarrhea
Cinchonism Cardiotoxicity (More than 50% widening of QRS and excessive prolonged QT complex) |
|
|
What are the interactions to Quinidine?
|
Digoxin
|
|
|
What drug is similar to Quinidine?
|
Procainamide
|
|
|
What side effects are unique to Procainamide?
|
Systemic Lupus Erythematosus-like Syndrome
Blood Abnormalities |
|
|
What is the difference between IA and IB Class drugs?
|
IB accelerates repolarization
IA delays repolarization |
|
|
What is the prototype of Class IB drugs?
|
Lidocaine
|
|
|
Lidocaine is a ______.s the
|
Class IB drug
|
|
|
Phenytonin is used to treat ___.
|
Digoxin induced dysrhythmias
|
|
|
Class IA and IC drugs are very similar.
T or F |
True
|
|
|
What are the IC drugs?
|
Flecainide
Propafenone |
|
|
What is a prototype Class III drug?
|
Bretylium
|
|
|
What is the most significant adverse effect of Bretylium?
|
Profound Hypotension
|
|
|
What is the oral long-term Class III agent?
|
Amiodarone
|
|
|
What are the adverse effects of Amiodarone?
|
Lung Damage
Heart Toxicity Corneal Microdeposits |
|
|
Sotalol also have Potassium Blocking actions as well as being a beta-blocker.
T or F |
True
|
|
|
Adenosine is used to _____.
|
terminate sustained ventricular tachycardia
|
|
|
How is Adenosine given?
|
IV Bolus near heart
|
