Sphygmomanometer helps in measuring the blood pressure.
The instrument consists of an inflatable rubber cuff which is applied to the arm. This is connected to mercury column which helps to determine the systolic and diastolic blood pressure. It is composes of an inflatable rubber cuff, which is wrapped around the arm. A measuring device indicates the cuff’s pressure. A bulb inflates the cuff and a valve releases pressure. A stethoscope is used to listen to arterial blood flow sounds.