Identify the number of correct statements w.r.t given diagram. Electro-cardiogram is used to obtain this graph. ECG is a graphical representation of the mechanical activity of the heart during a cardiac cycle. This is a complex ECG. Each peak in the ECG is identified with a letter from P to T that corresponds to a specific electrical activity of the heart.

Step-by-step solution

A patient is hooked up to a monitoring machine that shows voltage traces on a screen and makes the sound “... pip... pip... pip..... peeeeeeeeeeeeeeeeeeeeee” as the patient goes into cardiac arrest. This type of machine (electro-cardiograph) is used to obtain an electrocardiogram (ECG). ECG is a graphical representation of the electrical activity of the heart during a cardiac cycle. To obtain a standard ECG, a patient is connected to the machine with three electrical leads (one to each wrist and to the left ankle)