Table 2.

History of diagnostic tests performed before ILR implant

Total recruitment	570 (100%)
Standard ECG	556 (98%)
Echocardiography	490 (86%)
Basic laboratory tests	488 (86%)
Ambulatory ECG monitoring	382 (67%)
In-hospital ECG monitoring	311 (55%)
Exercise testing	297 (52%)
Orthostatic blood pressure measurements	275 (48%)
MRI / CT scan	267 (47%)
Neurological or psychiatric evaluation	270 (47%)
EEG	222 (39%)
Carotid sinus massage	205 (36%)
Tilt test	201 (35%)
Electrophysiology testing	144 (25%)
Coronary angiography	133 (23%)
External loop recording	67 (12%)
ATP test	15 (3%)
Other tests	52 (9%)
No tests performed	1 (0%)