Table 1.

Diagnostic investigations and percentages of patients

Investigation%
Emergent laboratory93.1
Routine laboratory96.3
EKG98.0
Chest radiography92.2
Color duplex ultrasound89.0
Transcranial Doppler ultrasound14.3
Transthoracic echocardiography35.9
Transesophageal echocardiography15.5
Emergent CT scan69.4
Follow-up CT scan62.0
Brain MRI10.2
Angiography7.8
EEG/evoked potentials15.9
Abdominal echography8.6
Other radiography14.7