Study eligibility
syncope, Syncope, TLOC, transient loss of consciousness, thirty-four
Two thousand two hundred and thirty-four adult (16 years or older) participants presenting acutely to UK hospitals with syncope remaining unexplained after initial ED or acute medicine unit (AMU) assessment will be enrolled. Syncope will be defined as transient loss of consciousness (TLOC) with inability to maintain postural tone and immediate complete spontaneous recovery without medical intervention