ECG Flashcards
1
Q
standard limb leads
A
I, II, III - bipolar
2
Q
augmented voltage leads
A
aVR, aVL, aVF - unipolar
3
Q
chest leads
A
V1-V6 - precordial leads
4
Q
lead I
A
RA -ve to LA +ve
5
Q
lead II
A
RA -ve to LL +ve
6
Q
lead III
A
LA -ve to LL +ve
7
Q
lead II see…
A
inferior direction, producing upward deflection in this lead
8
Q
what wave does lead II show
A
P wave
9
Q
what is the normal duration of a P wave
A
0.120 s
10
Q
atrial depolarisation moving towards the recording electrode
A
P wave
11
Q
left to right depolarisation of the interventricular septum moving slightly away from the recording electrode
A
Q wave
12
Q
depolarisation of the main ventricular mass moving towards the recording electrode
A
R wave
13
Q
lateral leads
A
leads I and aVL
14
Q
inferior
A
leads II, III, aVF
