Saturday, April 16, 2011

Sphygmomanometer

Aneroid sphygmomanometer



Mercury Sphygmomanometer

Development of digital sphygmomanometer


MERCURY POISONING








As
we all know that mercury is something that is dangerous to humans or living things.


While Mercury looks like instrument playing, but it is a silent killer.

Effect of mercury poisoning depends upon the duration and dose of exposure, chemical form of mercury, route of exposure and age and health of the person exposed.

An effect:
  • damage to central nervous system and kidneys
  • digestive tract problems such as diarrhea, inflamed colon and stomach cramps
  • respiratory problems such as persistent coughing and emphysema and cardiovascular problems such as blood pressure changes, weak pulse and chest pain.