Which one is not incorrect? (1) In cardiac arrest heart muscles is suddenly damaged (2) In heart failure heart stop beating (3) Congestion of lungs is one of the main symptoms of heart failure (4) None of the above
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option d is your answer is option d is your answer
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During a heart attack, blood flow to the heart is blocked, often by a blood clot or a buildup of plaque in the arteries.
Since the heart muscle needs oxygen to survive, when blood flow is blocked, the muscle begins to die. This is why heart attack sufferers need to be rushed into surgery to resolve the obstruction and restore blood flow.
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