What are some classic signs of vasovagal syncope?

What are some classic signs of vasovagal syncope?

• A. Clammy skin with pallor
• B. Rash
• C. Tremor
• D. Fever

Answer: (A)

Vasovagal syncope happens when an autonomic reflex causes the heart to slow and blood vessels to widen, lowering blood flow to the brain and leading to fainting. Before losing consciousness, the body often shows a telltale prodrome: the skin becomes unusually pale and clammy from peripheral vasoconstriction and sweating. That cool, pale, sweaty presentation is a classic warning sign that a faint may be coming. Rash would point toward an allergic reaction, tremor can occur with anxiety or other situations, and fever suggests infection or illness—none of these are the typical pre-faint signs of a vasovagal episode.

Vasovagal syncope happens when an autonomic reflex causes the heart to slow and blood vessels to widen, lowering blood flow to the brain and leading to fainting. Before losing consciousness, the body often shows a telltale prodrome: the skin becomes unusually pale and clammy from peripheral vasoconstriction and sweating. That cool, pale, sweaty presentation is a classic warning sign that a faint may be coming.

Rash would point toward an allergic reaction, tremor can occur with anxiety or other situations, and fever suggests infection or illness—none of these are the typical pre-faint signs of a vasovagal episode.