It is very essential to monitor the vital functions like heart rate, blood pressure, respiration and oxygen saturation of blood during the operation.

Pulse oxymeter is an instrument which monitors oxygen saturation of the circulating blood, and also monitors the pulse rate, giving indication about condition both of heart and lungs.

Cardiac monitor continuously monitors the electro cardiogram during the operation, giving alarm signal with even minute changes in the rate and rhythm of the heart.

Cardiac defibrillator is a life saving device which may rarely be required in an event of cardiac failure.