Aneroid Sphygmomanometer – Manual Blood Pressure Measuring Device
An Aneroid Sphygmomanometer is a manual device used to measure blood pressure. It consists of an inflatable cuff, a pressure gauge (dial), a rubber bulb with an air release valve, and a stethoscope (used separately). Unlike digital blood pressure monitors, an aneroid sphygmomanometer requires manual operation and is commonly used by healthcare professionals and trained individuals for precise and accurate blood pressure readings.
Components and Features
- Inflatable Cuff – Wrapped around the upper arm and inflated to restrict blood flow for measurement.
- Aneroid Gauge (Dial) – A calibrated dial that displays the pressure in millimeters of mercury (mmHg).
- Rubber Bulb and Air Release Valve – Used to inflate and deflate the cuff manually.
- Stethoscope (Used Separately) – Helps detect Korotkoff sounds to determine systolic and diastolic pressure.
How It Works
- The cuff is placed around the patient’s upper arm and inflated using the rubber bulb.
- The pressure is gradually released using the valve while listening with a stethoscope placed over the brachial artery.
- The first sound heard (Korotkoff sound) indicates the systolic blood pressure (maximum pressure in arteries).
- The point where the sound disappears indicates the diastolic blood pressure (minimum pressure in arteries).
Applications
- Clinical and Hospital Use – Used by doctors, nurses, and paramedics for accurate blood pressure monitoring.
- Home Healthcare – Ideal for trained individuals who prefer manual readings for reliability.
- Medical Training and Education – Essential for teaching blood pressure measurement techniques.
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