Cardiac Flashcards
1
Q
What class of antiarrhythmic drug is amiodarone?
A
Class III
2
Q
What type of ion channel do class III antiarrhythmic drugs affect?
A
Potassium
3
Q
What is the primary action of class III anti-arrhythmics on the cardiac action potential?
A
prolongs repolarization
4
Q
What 3 conditions is Kussmaul’s sign usually associated with?
A
Constrictive pericarditis, restrictive cardiomyopathy, and cardiac tamponade
