What are common causes of fainting?
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Dr. Mehmet Oz answered:Activities that cause a rapid rise and subsequent drop in blood pressure can cause a fainting spell. Coughing forcefully, straining in the bathroom, standing up suddenly, and being in a hot crowded room can cause you to faint.Activities that cause a rapid rise and subsequent drop in blood pressure can cause a fainting spell. Coughing forcefully, straining in the bathroom, standing up suddenly, and being in a hot crowded room can cause you to faint. More -
Dr. Angela Mark of NorthShore University HealthSystem answered:One typically faints when there is decreased blood going to the brain whether it is from a drop in blood pressure, inefficient pumping of blood to the brain from an abrupt irregular heartbeat, severe heart valve disease or potentially tightening of the vessels that feed the brainstem or both of the cerebral hemispheres. You should consult your doctor if you have a problem with fainting spells.
One typically faints when there is decreased blood going to the brain whether it is from a drop in blood pressure, inefficient pumping of blood to the brain from an abrupt irregular heartbeat, severe heart valve disease or potentially tightening of... More
