ECG Flashcards
1
Q
P wave
A
atrial depolarisation
2
Q
QRS complex
A
ventricular depolarisation
should be <0.12s (3 little square)
3
Q
T wave
A
ventricular repolarisation
4
Q
PR interval
A
time between atrial and ventricular depolarisation
should be 0.12-0.2s (3-5 small square)
5
Q
QT interval
A
time for ventricular depol and repol
max 0.42s
6
Q
ST segment
A
time between ventric depol and repol
7
Q
what does small square =
A
0.04s
8
Q
what does big square =
A
0.2s
9
Q
what do 5 big squares =
A
1s
10
Q
what do 300 big square =
A
1min
11
Q
inferior leads
A
II, III, aVF
12
Q
lateral leads
A
I, aVL, aVR, V5, V6
13
Q
anterior leads
A
V3, V4
14
Q
septal leads
A
V1, V2
15
Q
normal cardiac axis
A
between -30 and + 90 degrees
