What does P-wave represent in ECG?
What is ventricular systole and diastole and what is the meaning f ventricular
Which of the following correctly explains a phase/event in the cardiac cycle in a standard electrocardiogram? (a) QRS complex indicates atrial contraction. (b) QRS complex indicates ventricular contraction (c) Time between S and T represents atrial systole. (d) P-Wave indicates the beginning of ventricular contraction.