QRS complex is due to?
Ventricular repolarization
Ventricular depolarization
Atrial repolarization
Atrial depolarization
QRS complex is due to right and left ventricular depolarization. Depolarisation of ventricle of hea occurs simultaneously bundle of His and Purkinje fibres.(Ref: General pathology in Textbook of pathology HARSH MOHAN 6th Editon)
General physiology