Term
|
Definition
| depolarization of R and L atria |
|
|
Term
|
Definition
| depolarization of R and L ventricles |
|
|
Term
|
Definition
| re-polarization of R and L ventricles |
|
|
Term
| Vaughn williams classification |
|
Definition
Class I: Na channel blockers
Class II: beta blockers
Class III: K channel blockers
Class IV: Ca channel blockers |
|
|
Term
|
Definition
| Quinidine, procainamide, and disopyramide |
|
|
Term
| Quinidine: cardiac effects |
|
Definition
Automaticity:
-depresses SA node and etopic pacemakers
Conduction:
-direct effect slows conduction through atr. vent. and punk fib
-indirect effect increase AV conductio
ERP:
-prolongs ERP at atri. vent. purk fibs |
|
|
Term
|
Definition
-GI irritation
-cinchonism
-cardio toxicity
**can cause V fib.** |
|
|
Term
|
Definition
Supra-ventricular arrythmias
-atrial flutter, A fib.
Ventricular arryhtmias
vent. tachycardia
durg induced arrythmia |
|
|
Term
|
Definition
lidocaine
phenytoin
tocainide
mexiletine |
|
|
Term
|
Definition
emergency mang. of arrythmias
NTI
IV therapy for ventricular arrythmias
preferential effect on ischemic tissue
slow depolarization of cardiac tissue |
|
|
Term
|
Definition
|
|
Term
|
Definition
-potent anti-arrythmic drugs
-decreases automaticity
-decreases elect impulse through av node and ventricles
-partic effectiveness in suppressing premature ventricular contractions |
|
|
Term
|
Definition
|
|
Term
|
Definition
-acute Tx of life-threatening arrythmias (V fib recurrent v. tachycardia)
-prolong cardiac repolarization |
|
|
