Q:

How is vasovagal reaction diagnosed?

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Quick Answer

Diagnosis of vasovagal syncope or attack involves recording the patient's medical history and carrying out tests such as an electrocardiogram, blood tests and exercise stress tests. Vasovagal syncope refers to a condition in which the blood pressure and heart rate drop resulting in inadequate supply of blood to the brain, according to Healthgrades.

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Full Answer

When an individual suffers from vasovagal syncope the supply of blood to the brain is compromised and a fainting episode occurs. Fainting generally takes a short period of time. However, the individual may wake up confused. This condition affects 3 percent of men and 3.5 percent of women in the United States, notes Cleveland Clinic.

Diagnosis of this condition involves ruling out of any other possible causes. Doctors will often take the patient's medical history to determine possible causes of the fainting episode. An electrocardiogram test, which takes electric signals produced by the heart to determine cardiac problems or irregular rhythms, may also be used.

Another test that may be used during diagnosis is an exercise stress test. It is done while the patient is jogging or walking on a treadmill. Blood tests to determine possibility of conditions such as anemia can also help during diagnosis. Tilt table tests and echocardiogram tests may equally be used during diagnosis.

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