Antidysrhythmic Drugs Flashcards
What is a dysrhythmia?
any deviation from the normal rhythm of the heart
What is a arrhythmia?
no rhythm of the heart, this is asystole
What are class Ia Antiarrhythmic drugs
Police Department Questions
-Procainamide
-Disopyramide
-Quindine
What are class Ia indications?
-A-fib
-premature atrial/ventricular contractions
-wolff parkinson white syndrome
What are class Ib Antiarrhythmic drugs?
Liquored Man
-lidocaine
-mexiletine
What are class Ic Antiarrhythmic drugs?
For Peeing
-flecainide
-propafenone
What are class II Antiarrhythmic drugs?
Beta blockers
What are class III Antiarrhythmic drugs?
After Drinking Scotch In Dark
-amiodarone
-dronedarone
-satalol
-ibutilide
-dofetilide
What are class III drugs used for?
-pt w/ ventricular dysthymias
-life threatening ventricular tachycardia/fibrillation
-atrial fibrillation or flutter
What are class IV Antiarrhythmic drugs?
Dirty Vehicle
-diltiazem
-verapamil
Adenosine
-as a fast IV push
-may cause asystole for a few seconds (no heart beat)
-has a short half life of 10 seconds
Amiodarone mechanism of action
-prolongs repolorization in phase 3
Amiodarone indications
-pt w/ ventricular dysthymias
-atrial fibrillation/flutter
-life threatening ventricular tachycardia/fibrillation
Amiodarone adverse effects
-pulmonary toxicity
-thyroid disorders
-hypotension, bradycardia
-SA node dysfunction
-QT prolongation
-constipation
-blue-gray coloring of skin (face, arms, neck)
What are adverse effects of quinidine?
-chinchonism (toxic effects of quinidine)
-tinnitus
-hearing loss
-blurry vision
-GI upset
(these are the s/s of quinidine toxicity)
