Table 6. Selected Pharmacotherapy and Comorbidity According to Diagnosis After Workup.
| Pharmacotherapy and Comorbidity | Unknown N = 272 |
Cardiac N = 102 |
Orthostatic N = 55 |
Reflex N = 117 |
Other causes N = 24 |
|---|---|---|---|---|---|
| Comorbidity (in %) | |||||
| CHF | 28 (10) | 24 (23) | 6 (11) | 2 (2) | 1 (4) |
| IHD | 67 (24) | 39 (38) | 11 (20) | 6 (5) | 5 (20) |
| AMI | 47 (17) | 27 (28) | 9 (16) | 4 (3) | 0 (0) |
| AF | 39 (14) | 25 (24) | 5 (9) | 7 (6) | 2 (8) |
| Other arrhythmias | 12 (4) | 15 (14) | 4 (7) | 4 (3) | 2 (8) |
| Stroke | 34 (12) | 19 (18) | 12 (22) | 3 (2) | 4 (15) |
| Diabetes | 21 (8) | 15 (15) | 12 (22) | 5 (4) | 2 (8) |
| Cardiac device | 10 (4) | 6 (6) | 3 (5) | 2 (2) | 0 (0) |
| Depression | 12 (4) | 6 (6) | 6 (11) | 1 (1) | 0 (0) |
| Pharmacotherapy (in %) | |||||
| Beta blockers | 67 (25) | 41 (39) | 18 (33) | 14 (12) | 1 (4) |
| ACE/ARB | 104 (38) | 53 (51) | 27 (49) | 20 (17) | 8 (31) |
| Thiazide | 54 (20) | 18 (17) | 14 (25) | 18 (15) | 7 (27) |
| Loop diuretics | 40 (15) | 30 (29) | 11 (20) | 3 (3) | 2 (8) |
| Anxiolytics | 33 (12) | 9 (9) | 8 (15) | 3 (3) | 3 (12) |
| Antipsycotics | 14 (5) | 3 (3) | 6 (11) | 2 (2) | 2 (8) |
| Antidepressants | 43 (16) | -12 | 11 (20) | 8 (7) | 3 (12) |
CHF: congestive heart failure; IHD: ischemic heart disease; AMI: acute myocardial infarction; AF: atrial fibrillation; ACE: angiotensin converting enzyme; ARB: angiotensin receptor blocker.