Table 2 Non-invasive tests along with their diagnostic yield in the study population
From: Syncope: experience at a tertiary care hospital in Karachi, Pakistan
Diagnostic test | na/Nb (%) |
|---|---|
Electrocardiogram | 34/258 (13) |
Troponin I | 4/180 (2) |
Echocardiogram | 13/92 (7) |
Holter monitoring | 6/46 (13) |
Head-up tilt test | 15/38 (39) |
Stress test | 4/28 (14) |
EEG | 0/22 (0) |
Magnetic resonance imaging | 0/18 (0) |
Myocardial perfusion scan | 3/16 (19) |
Dobutamine echo | 1/11 (9) |
Head computed tomography scan | 0/10 (0) |
Carotid Doppler | 0/7 (0) |