Most of us do not know how vital the health of our heart is for our overall well being. To inform us Dr Akshay Mehta lists top 5 facts about heart attacks.
# Heart - A Specialised Muscle
Our heart is the size of our fist. It is a specialised muscle which contracts continuously and keeps pumping blood through the whole body and our lungs. This pumping action is caused by a constant flow of electricity through our heart. The cycle is repeated again and again creating a definite rhythm. If this electrical activity is disturbed it causes arrhythmia which can affect the heart
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