What is syncope?
Transient loss of consciousness from reduced brain blood flow — usually benign vasovagal but can signal serious cardiac or neurological conditions.
Related: Neurology → · Dr. Jitendra Knowledge Hub → · ICHD-3 Topic →
Causes
Vasovagal (most common), orthostatic hypotension, cardiac causes (arrhythmias — potentially fatal), neurological causes (seizures, autonomic neuropathy).
Evaluation
Detailed history, orthostatic vitals, ECG, echocardiogram if cardiac suspected, tilt-table test, Holter monitor, EEG if seizure suspected.