Meaning: Any process whereby sounds are left out of spoken words or phrases. Classified under: Nouns denoting natural processes. Synonyms: deletion; omission. Hypernyms (omission is a kind of...): linguistic process (a process involved in human language) Hyponyms (each of the following is a kind of omission):
A heart attack occurs when one or more of your coronary arteries become blocked. Over time, a coronary artery can narrow from the buildup of various substances, including cholesterol (atherosclerosis). This condition, known as coronary artery disease, causes most heart attacks. During a heart attack, one of these plaques can rupture and spill cholesterol and other substances into the bloodstream. A blood clot forms at the site of the rupture. If large enough, the clot can completely block the flow of blood through the coronary artery.
That is the mechanism responsible for that massive heart attack-induced death. Now, what causes the ventricular fibrillation? Indeed, it can be a heart attack, but there are other causes as well. Heart attack refers to a blockage of blood flow in one of the arteries nourishing the heart. You must remember the heart is a muscle and needs blood flow like your biceps or your triceps needs blood flow with nourishment, oxygen and so on.