Random Flashcards
1
Q
Most common manifestation of digoxin toxicity
A
accelerated junctional rhythm
2
Q
When to suspect the presence of U wave
A
Whenever the QT interval is very long
3
Q
important history in SVT
A
neck vein pulsations
diuresis following an attack
4
Q
vagal maneuvers to terminate SVT
A
carotid sinus pressure forceful coughing valsalva maneuver diving reflex ocular pressure pharyngeal stimulation
5
Q
Action of adenosine is potentiated by
A
dipyridamole
carbemazepine
6
Q
antidote for adenosine
A
theophylline
7
Q
Electrical alternans is common in which SVT
A
AVRT
8
Q
Why electrical alternans is common in AVRT
A
It has a faster ventricular rate
9
Q
Most common location of bypass tract
A
- free wall of left ventricle
- Posteroseptal
- Free wall of right ventricle
- Anteroseptal
10
Q
Incessant tachycardia
A
tachycardia lasting for more than 12 hrs
