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 syncope | 45 (41) | 31 (69) | 1 (2) | 3 (6) | 7 (16) | 3 (7) |
Situational reflex syncope | 9 (8) | 5 (56) | 1 (11) | 2 (22) | 1 (11) | – |
Orthostatic hypotension | 18 (16) | 4 (22) | – | 1 (6) | 11 (61) | 2 (11) |
Cardiac syncope | 10 (9) | 6 (60) | 2 (20) | 2 (20) | – | – |
Unexplained syncope | 29 (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.