10 Signs of Dehydration
Reviewed: Dr. Gromatzky
Dehydration Sign #9: Syncope
Syncope, or fainting, occurs when there is loss of consciousness and muscle strength that is sudden with a spontaneous recovery. Some associated symptoms may occur before syncope such as nausea, vomiting, sweating, pallor, and blurry vision.
The causes of syncope include an abnormal heart rhythm, abnormal heart valve dehydration, infection, seizure, stroke, low blood oxygen, hypoglycemia, and concussion. Syncope is more common among the elderly and females accounting for 1 to 3 percent of emergency department visits and admissions.
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