1
Q
Lateral Leads
A
Lead 1, aVL, V5, V6
2
Q
Inferior leads
A
Lead 11, 111, aVF
3
Q
Septal leads
A
V1, V2
4
Q
Anterior leads
A
V3, V4
5
Q
Posterior leads
A
V7, V8, V9
6
Q
What are reciprocal leads
A
Inferior = High Lateral
Anterior/Septal = Posterior
7
Q
Normal PRI
A
0.12 - 0.20 (3-5 small boxes)
8
Q
Pathological Q wave
A
More than 0.04s wide and/or 1/3 of corresponding R wave height in 2 contiguous leads
9
Q
Normal QRS
A
0.06 - 0.11
10
Q
Normal QT interval
A
Male = less than 0.44
Female = less than 0.46
11
Q
Intrinsicoid Deflection
A
normal = 0.04
Beginning of QRS complex -> beginning of R wave slope
12
Q
Normal T wave
A
Limb leads = less than 6mm
Chest leads = less than 12mm
Cardiology
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