10 Causes of Dizziness
Cause #5: Heart Disease
Feeling faint or dizzy may be due to the reduction of blood flow to the brain, caused by heart failure. A sudden loss of consciousness may mean that the blood supply to the brain was seriously obstructed. When the heart rate is abnormal, too slow or too fast, or if the heart is unable to pump blood because blood flow is blocked by a narrow valve, this could lead to dizziness and syncope (fainting).
Dizziness is an extremely common symptom of heart failure and may be due to the rapid drop in blood pressure. Getting up too quickly may contribute to this drop because of postural hypotension. The temporary drop may occur and is an extremely common symptom for people who suffer from heart failure.
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