antiarrythmic 1

Question 1

what is the most common cardiac arrhythmia and leading cause of stroke?

Answer 1

atrial fibrillation

Question 2

mech of arrhythmias?

Answer 2

1. automaticity
2. conduction
3. both

Question 3

types of arrhythmias

Answer 3

1. bradycardia, block
2. extra systoles
3. tachycardias
4. flutter

Question 4

paroxysmal supraventricular tachycardia is also known as

Answer 4

paroxysmal atrial tachycardia

Question 5

what is Wolff-Parkinson-White?

Answer 5

1. fast AV accessory pathway
2. typically atrial origin, bundle of Kent
3. shortened PR interval
4. pre-excitation, delta-wave, wide QRS

Question 6

what are the characteristics of atrial flutter?

Answer 6

1. rapid atrial rate
2. sawtooth F-wave pattern
   - normal QRS normal
   - AV dissociation
   - vagal stimulation not effective
   - CCBs not effective

Question 7

what is the most common cardiac arrhythmia?

Answer 7

atrial fibrillation

Question 8

what is the leading cause of stroke via thrombosis?

Answer 8

atrial fibrillation

Question 9

what is a lethal arrhythmia if not terminated?

Answer 9

ventricular flutter

Question 10

what are the characteristics of ventricular flutter?

Answer 10

1. no effective ventricular contraction
2. cardioversion required
3. no QRS or T waves