Blood pressure monitors are a convenient and accurate way to monitor your blood pressure at home. With an easy-to-read LCD display, the monitor provides an accurate reading of your systolic and diastolic blood pressure, as well as your pulse rate. The monitor can be used to track your blood pressure over time, allowing you to monitor your health and identify any changes.
Blood pressure monitors work by using either an oscillometric method or an auscultatory method.
In the oscillometric method, the device uses an inflatable cuff wrapped around the upper arm to measure blood pressure. This is achieved by first inflating the cuff to stop blood flow and then slowly deflating it to measure both systolic and diastolic blood pressure. As the cuff deflates, it measures the oscillations (pulses) of the blood that flow in and out.
In the auscultatory method, the device uses an inflatable cuff and a stethoscope. First, the cuff is inflated to stop blood flow, and then it is slowly deflated. As the cuff deflates, the doctor or technologist listens with the stethoscope for the Korotkoff sounds. These are rhythmic tapping and thumping sounds, which indicate changes in the pressure in the cuff and measures. Systolic and diastolic pressure are recorded to determine the patient's blood pressure. Additionally, a clock or timer is used to time the occurrence of the Korotkoff sounds accurately. The procedure is repeated three times, and the average of the three results is taken as the patient's blood pressure.
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