Apr 19, 2015
Electrocardiogram - ECG
Electrocardiogram – ECG
Speed = 25mm / sec => 1cm = 0.4 sec (x-axis)
Amplitude of 1 cm / mV => 1cm = 1mV (ordinate)
Normal values:
P wave -> 0.08 to 0.10 s; <0.25 cm
PR space -> from 0.12 to 0.20 s
QRS -> <0.08 s
ECG sinus rhythm “normal”
General: PR:
– Prolongation of the PR interval reflects the existence of an atrioventricular block
– The shortening of the PR interval reflects the existence of an accessory…
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