Heat syncope
| Heat syncope | |
|---|---|
| A Boy Scout at the 1948 Olympic Games faints in the intense heat | |
| Specialty | Emergency medicine |
Heat syncope is a type of heat illness characterized by fainting (syncope) or dizziness with or without signs of confusion as a result of overheating. Heat syncope is caused by peripheral vessel dilation, resulting in diminished blood flow to the brain and dehydration.