Coronary Artery Disease (CAD)?

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 Topic                          Issue related to health                    Prelims        Mains GS2 



Coronary Artery Disease (CAD)?

It refers to cholesterol deposits or plaques causing blockage of in the arteries supplying oxygenated blood to the heart . When suddenly blood clots develops in partially blocked arteries the blood supply to heart stops and a life threatening situation of a heart attack occurs often manifesting pain in chest in youths. Either heart beating stops or becomes faster extremely uncoordinated this termed as Cardiac arrest.

Impacts:  1) High pain in heart  

                2) Sudden death


What are leading factors of CAD?

  • Smoking
  • Diabetes
  • High blood pressure
  • Tobacco ingestion
  • obesity
  • excessive stress
  • Un healthy life style
What to do:
  • Moderate exercise
  • blood pressure check-up
  • Eco-doppler ( ultrasound of the heart)
  • blood test 


What are  artery and vein?

Both are blood carrying vessels in body

  • Artery carries oxygenated blood away from the heart to the different organs of body
  • vein carries blood to the heart from the whole body
  • Arteries supply pure oxygenated blood to the body organs
  • veins supply blood impure, waste di-oxygenated blood to the heart
  • Arteries are red in colour, thick in size, present deep in the body.
  • Veins are blue in colour, thin in size, and present near the skin. 
  • Due to pumping of heart pressure in arteries are high
  • in veins bloods are supplied by the capillary action due to which pressure are less comparatively.


Source : niveiclinic.com






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