Dysrhythmias

Question 1

Tx of Bradycardia

Answer 1

Atropine

Bradycardia is not always treated.

Question 2

Afib Tx

Answer 2

CCB
Non dyhydr….. work on pacing cells (T type)
Diltiazem verapamil
Inhibits AV node conduction
SE constipation r/t smooth muscle relaxation

Question 3

Afib & Heart Failure

Answer 3

Beta blockers are preferred due to decreased mmortality

Question 4

Acute PSVT TX

Answer 4

Adenosine

Vagal maneuvers-stimulate PNS–inhibits AV node conduction–termination of arrythmia

Question 5

Amiodarone
K+ channel blocker
INteractions
Warfarin, phenytoin, digoxin, and simvastatin

Answer 5

Decreased HR--decreased resting potential-.
Avoid with Asian Decent/neonates
Metabolized by  ???
SE ?????
blue grey color

Question 6

Lidocaine Tx Vtach

Answer 6

works at perkinje fibersto decrease action potential and prolong refractory period

Question 7

Procainamide/ Quinidine

Answer 7

Blocks Na+ channels in atrial and ventriclar cells. Also blocks K+ channels
Good for both atrial and ventricular dysrhythmias
EKG changes=increased QRS=prolonged QT interval

Question 8

antiarrthymic classification

Answer 8

CCB-IV
Beta Blockers-II
Amiodarone- III
Lidocaine-IB
Procainamide/ Quinidine-IA