摘要: Among 821 consecutive patients admitted to an acute stroke unit, the initial diagnosis of proved incorrect in 108 (13%). The commonest causes misdiagnosis were unwitnessed or unrecognised seizures (39%) and confusional states syncope (24%), conditions that can be diagnosed only clinically. In a series 93 cases examined post mortem, diagnostic accuracy for varied with clinical skill ranged from 38% 89%. frequency (but not type) was same 244 investigated computerised tomographic (CT) scanning as 345 without it. Although CT other neurological investigations are useful aids stroke, they remain supplement to, substitute for, correct evaluation.