Arrhythmias and Pacemakers Flashcards
1
Q
QT prolongation can lead to
A
Torsades
2
Q
What can cause prolonged QT?
A
Drugs - amiodatone, quinidine, haloperidol, procainamide
Electrolyte problems - hypokalemia, hypomagnesemia, hypocalcemia
3
Q
What drug treats torsades?
A
Magnesium
4
Q
What are the first, second, and third initials of pacemaker coding?
A
1: Chamber paced
2: Chamber sensed
3: Response to sensing
5
Q
What does I, D, O, stand for in pacemaker coding
A
I - inhibbits
D - inhibits and triggers
O - none
6
Q
Failure to pace
A
no spike at all when expected
7
Q
Failure to capture
A
Spikes without a QRS or ventricular pacing
8
Q
Failure to sense
A
Pacing in native beats
