Table 2

Syncope classification by attending physician versus orthostatic BP recovery pattern

Diagnosis by attending physician, n(%)All patients (n=111)Normal
BP recovery (n=63)
Initial orthostatic hypotension (n=8)Delayed
BP recovery (n=14)
Classic orthostatic hypotension (n=21)Reflex-mediated hypotension (n=5)
Vasovagal reflex syncope45 (41)31 (69)1 (2)3 (6)7 (16)3 (7)
Situational reflex syncope9 (8)5 (56)1 (11)2 (22)1 (11)
Orthostatic hypotension18 (16)4 (22)1 (6)11 (61)2 (11)
Cardiac syncope10 (9)6 (60)2 (20)2 (20)
Unexplained syncope29 (26)17 (59)4 (14)6 (21)2 (6)
  • Classification of the cause of syncope diagnosed by the attending physician. The attending physician performed his usual syncope evaluation in the ED. Conclusive information about the orthostatic BP recovery patterns was not available at the time of diagnosis.