Table 3. Investigations and outcomes for patients referred for further evaluation of palpitations, syncope, and documented arrhythmias.
Syncope (N=23) |
Palpitations (N=19) |
Documented arrhythmia (N=16) |
|
---|---|---|---|
Investigations, n (%) | |||
Holter monitoring |
15 (65) |
7 (37) |
2 (13) |
Patient-activated device |
0 (0) |
1 (5) |
0 (0) |
Implantable loop recorder |
6 (26) |
0 (0) |
0 (0) |
Echocardiography |
13 (57) |
9 (47) |
8 (42) |
Bubble contrast echocardiography |
0 (0) |
1 (5) |
0 (0) |
Stress/exercise test |
2 (8) |
0 (0) |
1 (6) |
CMR |
3 (13) |
0 (0) |
0 (0) |
CTCA |
1 (4) |
0 (0) |
1 (6) |
No additional investigations |
4 (17) |
3 (16) |
6 (38) |
Safety outcomes, n (%) | |||
Direct admission from clinic |
0 (0) |
1 (5) |
0 (0) |
90-day mortality |
0 (0) |
0 (0) |
0 (0) |
90-day major adverse cardiovascular events |
0 (0) |
0 (0) |
1 (6) |
90-day all-cause unscheduled re-presentation |
6 (26) |
3 (16) |
3 (19) |
90-day unscheduled re-presentation with same presenting complaint |
1 (4) |
0 (0) |
2 (13) |
Key: CMR = cardiac magnetic resonance imaging; CTCA = computed tomographic coronary angiography