Biomed World « Sarasvati Kalpa

Addison’s disease is an endocrine or hormonal disorder that occurs in all age groups and afflicts men and women equally. The disease is characterized by weight loss, muscle weakness, fatigue, low blood pressure, and sometimes darkening of the skin in both exposed and nonexposed parts of the body.
Addison’s disease occurs when the adrenal glands do [...]

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The Coulter Counter

Posted in Biomed World on May 22, 2008 | Leave a Comment »

The Fundamental Device

The Coulter Particle Counter/Sizer

The basic non-electronic part of a Coulter counter unit, as shown above, consists of a reservoir into which a finger-like tube is partially immersed. Near the lower end of the tube is a very small hole of known diameter. (Assortments of tubes are available covering a large range of hole [...]

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Cardiac Output

Posted in Biomed World on May 20, 2008 | Leave a Comment »

In human physiology, volume of blood expelled by either ventricle of the heart. It is customarily expressed as minute volume, or litres of blood per minute, calculated as the product of stroke volume (output of either ventricle per heartbeat) and the number of beats per minute. Maintaining and regulating cardiac output, which is usually proportional [...]

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