Table 3

Medical procedures performed in more than 5% of admissions

Procedures% of admissions
Computerised axial tomography of head (CT scan)41.86
MRI of the brain34.11
Injection or infusion of a therapeutic substance11.26
Spinal tap11.07
Microscopic examination of blood10.49
Echoencephalography9.52
ECG9.40
Electroencephalography7.40
Routine chest X-ray6.37
Arteriography of cerebral arteries5.23