ECG Flashcards
1
Q
Normal PR interval
A
Less than 5 squares
2
Q
Second degree heart block type 1
A
Progressive lengthening of PR interval and then a missed atrial beat, then cycle repeats
3
Q
Second degree heart block type 2
A
Constant PR interval for most beats, and then missed beat
4
Q
Second degree heart block 2:1 or 3:1 or 4:1
A
Alternate conducted and nonconducted atrial beats
5
Q
RBBB
A
MaRRoW: RSR in lead V1, deep wide S waves in lead V6
6
Q
LBBB
A
WiLLiaM: W in V1, M in V5 and V6. Associated with t wave inversion in lateral leads I, VL and V5-6
7
Q
Ventricular bigeminy
A
Every other beat is a PVC