Anti-arrhythmics

Question 1

Class 1

Answer 1

divided into A, B, and C
Na+ channel blockade

Question 2

Class 2

Answer 2

beta blockers that alter heart rate and can cause bradycardia

Question 3

Class 3

Answer 3

amiodarone
typically has characteristics of all classes

Question 4

Class 4

Answer 4

non DHP calcium channel blockers
alter HR and can cause bradycardia

Question 5

Amiodarone

Answer 5

class 3
prolonged repolarization
used in pt with A-FIB
safe in pt with structural heart disease
Side effects: thyroid toxicity, bradycardia, pulmonary fibrosis, cardiotoxicity (when given IV)

Question 6

Flecainide

Answer 6

class 1C
used in pt with A-FIB
not used with structural heart disease
side effects: QT prolongation, torsade de pointes, dyspnea, dizziness, visual disturbances