Sum of voltage of 3 leads in ECG 5 millivolts?
Increased cardiac muscle mass
Depolarization of atria in ECG is seen in?
P wave
Depolarization in ECG by?
P and QRS complex
P wave size in right atrial enlargement?
2.5 mm
Ventricular Depolarization starts from?
Left part of Interventricular septum
Time required for ventricular depolarization?
0.08 to 0.1 sec
QRS complex indicates?
Ventricular depolarization
QRS duration 100 - 120 ms?
Wide QRS complex typically seen in?
Bundle branch block
Massive QRS is associated with?
Pompe’s disease
