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Fainting may occur while you are urinating, having a bowel movement (especially if straining), coughing very hard, or when you have been standing in one place too long. Fainting can also be related to fear, severe pain, or emotional distress. A su...
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Patients visiting a doctor because of fainting will usually have their blood pressure checked when they are lying down and then again after they stand up. If there is a significant decrease in blood pressure, it may indicate postural hypotension. ...
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Most episodes of fainting are a one-time occurrence. When a person experiences repeated fainting spells, a physician should be consulted.
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Dozens of different underlying problems can cause syncope; some are life-threatening, others are of little importance. Here is one way to classify them.
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Low blood pressure, or hypotension, occurs when blood pressure during and after each heart beat is much lower than usual. This means the heart, brain, and other parts of the body do not get enough blood. Dizziness or lightheadedness can result. See also: Blood pressure
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Hypotension is the medical term for low blood pressure. The pressure of the blood in the arteries rises and falls as the heart and muscles handle demands of daily living, such as exercise , sleep and stress .
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Doctors often consider chronically low blood pressure too low only if it drops suddenly or causes noticeable symptoms.
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While recommended healthy blood pressure levels have decreased, lowering diastolic pressure too much could deprive the heart of needed blood flow, which could be dangerous for people with coronary artery disease.
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Preliminary studies show that a promising new drug may treat the symptoms of low blood pressure.
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