Arrhythmias and Anna Marie Choy Flashcards Preview

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Flashcards in Arrhythmias and Anna Marie Choy Deck (19):
1

Rate control of AF

Beta-blockers
Digoxin
Verapamil, diltiazem

Alone or in combination

2

Rhythm control of AF

Restoration of NSR
Pharmacologic cardioversion (anti-arrhythmic drugs e.g. amiodarone)
Direct Current Cardioversion (DCCV)
Maintenance of NSR
Anti-arrhythmic drugs
Catheter ablation of atrial focus/ pulmonary veins
Surgery (Maze procedure)

3

Drugs for rhythm control of AF

Class Ic or III
(flecainamide or digoxin)

4

Drugs for rate control of AF

Beta blockers
Digoxin
Verapamil, diltiazem

-alone or in combination

5

Class I drugs block which channel?

Sodium

6

Class II drugs block what?

They are beta blockers

7

Class III drugs block which channel?

Potassium

8

Class IV drugs block what?

They are calcium channel blockers

9

Name a class Ia drug

Disopyramide

10

Class 1b drugs

Lidocaine
Mexilitine

11

Class 1c drugs

Flecainamide
Propafenone

12

Class II drugs

Atenolol
Propanolol

13

Class III drugs

Amiodarone
Sotalol
Dronedarone

14

Class IV drugs

Verapamil
Diltiazem

15

What could cause Torsades de Pointes?

Hypokalaemia
Prolongation of the action potentia l(drug induced)
Renal impairment (increased drug levels)

16

CHA2DS2-VASc score?

Congestive heart failure/LV dysfunction

Hypertension
Age >75 years (2 point)
Diabetes
Stroke (2 points)

Vascular disease
Age (65-74)
Sex (female)

Used to calculate risk of stroke in people with AF

17

Bleeding risk assessment

HAS BLED
Hypertension
Abnormal renal/liver function
Stroke
Bleeding
Labile INRs
Elderly (>65)
Drugs or alcohol

Score >3 is high risk

18

Where is the ectopic focus in atrial fibrillation?

Around the pulmonary veins

19

Atrial flutter treatment options

Pharmacological therapy (Class Ic or III)
Cardioversion/catheter ablation
Warfarin (anti-coagulation)