BASIC ECG
By Dr Saleha Jabali 2022
ELECTROCARDIOGRAM
- Normal Impulse Conduction
- Sinoatrial node
- AV node
- Bundle of His
- Bundle Branches
- Purkinje fibers
“THE PQRS T”
-
P wave - Atrial
depolarization -
QRS - Ventricular
depolarization -
T wave - Ventricular
repolarization
THE ECG PAPER
-
Horizontally
- One small box - 0.04 s
- One large box - 0.20 s
-
Vertically
- One large box - 0.5 mV
