Biological Interview Question:

Tell me how ECG (Electro Cardio Gram) nodes are represented?

Submitted by: Muhammad

ECG machine will show five waves PQRST

• P Wave: It represents the normal atrial depolarization ( contraction of atria)
• QRS Wave: It represents the depolarization of the right and left ventricles (Contraction of ventricles
• T Wave: It represents the re-polarization of the ventricles (Relaxation of ventricles)
Submitted by: Muhammad