Intervention | N (%) |
History/Physical Examination | 42 (100%) |
Assessment at Respiratory Department · Referral to Respiratory Department · Referral from Respiratory Department |
18 (42.8%) 24 (57.2%) |
Pulmonary Imaging · Chest X-ray · Chest Computerised Tomography (CT) |
33 (78.6%) 24 (57.1%) |
Laboratory Tests (full blood count/liver function tests/blood glucose/thyroid function tests/renal function tests) | 42 (100%) |
Electrocardiogram | 42 (100%) |
Echocardiogram · Mean Ejection Fraction: | 42 (100%) 62% |
24-hour ambulatory ECG-recording · Mean SDNN · Mean Heart Rate | 42 (100%) 74.4 ms (range: 52 - 112 ms) 92 beats/minute |
Functional status assessment · Exercise Stress Test · 6-Minute Walk Test |
19 (45.2%) 23 (54.8%) |
Orthostatic Test | 20 (47.6%) |
Tilt Table Test | 2 (4.8%) |
Pharmaceutical Therapy · b-blockers · Ivabradine · b-blockers/ivabradine combination | 29 (69%) 16 (38.1%) 11 (26.2%) 2 (4.8%) |
Response to treatment Residual symptoms | 24/29 patients (82.8%) 29/42 patients (69%) |