Blood Pressure Measurement Units215

Blood pressure is a measure of the force exerted by blood against the walls of blood vessels. It is measured in millimeters of mercury (mmHg) and is typically expressed as two numbers, the systolic pressure and the diastolic pressure. In the United States, blood pressure is typically measured in inches of mercury (inHg), whereas in the rest of the world, it is usually measured in mmHg. The normal blood pressure for adults is 120/80 mmHg (or 100/70 inHg).

Blood pressure is measured using a sphygmomanometer, which consists of an inflatable cuff, a pressure gauge, and a stethoscope. The cuff is wrapped around the upper arm and inflated until the blood flow in the brachial artery is occluded. The pressure in the cuff is then slowly released, and the pressure at which blood flow is first heard through the stethoscope is the systolic pressure. The pressure at which blood flow is no longer heard is the diastolic pressure.

Blood pressure can vary depending on a number of factors, including age, gender, race, and activity level. It is important to have your blood pressure checked regularly to ensure that it is within a healthy range. High blood pressure, or hypertension, is a major risk factor for heart disease, stroke, and other health problems.## Blood Pressure Units
The following table shows the different units of blood pressure measurement and their conversions:
| Unit | Conversion |
|---|---|
| mmHg | 1 mmHg = 1.36 cmH2O |
| inHg | 1 inHg = 2.54 cmH2O |
| cmH2O | 1 cmH2O = 0.735 mmHg |
## Blood Pressure Ranges
The following table shows the normal blood pressure ranges for adults:
| Category | Systolic Pressure (mmHg) | Diastolic Pressure (mmHg) |
|---|---|---|
| Normal |

2024-10-29

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