10.12.2013 Flashcards
0
Q
Focal atrial tachycardia due to digitalis toxicity usually associated with
A
2:1 AV block
1
Q
Digitalis toxicity is enhanced by
A
Hypokalemia
Hypomagnesimia
Hypercalcemia
2
Q
Focal atrial tachycardias that respond to AV node blocking agents
A
FAT due to triggered activity or micro reentry
3
Q
Diff btw paroxysmal and non paroxysmal junctional tachycardia based on rate
A
Non paroxysmal : 70-130 bpm
Paroxysmal : 110-250
4
Q
Treatment of digoxin induced tachycardia
A
Phenytoin
5
Q
Axis and LBBB
A
LBBB with normal axis: good
LBBB with left axis : bad
LBBB with right axis: worst