Question

give the reason in old age the pulse rate low
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Answer 1

Answer:

:

Problems with the sinoatrial (SA) node, sometimes called the heart’s natural pacemaker

Problems in the conduction pathways of the heart that don’t allow electrical impulses to pass properly from the atria to the ventricles

Metabolic problems such as hypothyroidism (low thyroid hormone)

Damage to the heart from heart disease or heart attack

Certain heart medications that can cause bradycardia as a side effect

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Answer 2

Explanation:

Causes for bradycardia include: Problems with the sinoatrial node, sometimes called the heart's natural pacemaker. Problems in the conduction pathways of the heart that don't allow electrical impulses to pass properly from the atria to the ventricles. Damage to the heart from heart disease or heart attack.