What is the difference b/w haert attack,cardiac arrest and heart failure??
Heart failure is a condition when heart is not able to pump sufficient blood to the various parts of the body.
Heart attack takes place when flow of blood to the heart is blocked which results in damage or death of some heart muscles, this can cause difficulty to heart in pumping blood to various body parts. So, heart attack can cause heart failure.
Cardiac arrest is the condition when there is stoppage in the normal circulation of blood due to heart failure. Heart attack can cause cardiac arrest.