Microbiology World

  Summary:- The word stroke comes from the idea of receiving a  ‘strike’ or ‘blow’  as that is how quickly strokes appear – all of a sudden people are struck by this illness. Every year more than  15 million people worldwide  have a stroke. Of these, five million die, and another five million are left disabled. Whilst most strokes occur in people over the  age of 65  they can occur in much younger people too. A stroke is when any part of the brain loses its blood supply that prevents brain tissues to get enough oxygen and nutrients. What exactly is a stroke? The brain, like all parts of the body, needs oxygen, which it gets from the blood. A stroke happens when blood flow to the brain is cut off. When brain cells are starved of oxygen, they become damaged. Cerebrovascular accident (CVA) or brain attack are other names of a stroke.   What are the types of stroke? There are  three  main types of stroke. ISCHEMIC STROKE HEMORRHAGIC STROKE T...

  Coronary artery disease   is a type of heart diseases affecting mainly the   coronary arteries . Coronary artery disease also known as a  Ischemic heart disease  It is where we have   poor blood flow to the heart.  Coronary arteries are the arteries that actually   supply the blood and oxygen   to various parts of the heart and in our body .   Coronary arterie s that deliver a constant blood supply to your heart muscle. These arteries that’s set on top of the heart because your heart in order for that muscle to work properly it has to have constant fresh nice   oxygenated blood  going to it and it starts to develop these  fatty plaques   which will cause   blockages or restrict blood flow   to the heart and these fatty plaques are caused by a condition called   atherosclerosis  and this occurs in the artery wall and it happens over time and like I said  it limits the blood supply to the...