Table 2.

Indications for carotid ultrasound study (N/%)

Patients with risk factors	451 (81.26%)
Check-up	238 (51.8%)
Dizziness or vertigo	60 (13.1%)
Syncope	35 (7.6%)
Stroke	30 (6.5%)
Preoperatory evaluation	16 (3.8%)
Transient amnesia or disorientation	14 (3.1%)
Previous carotid artery disease	9 (1.9%)
Unspecific symptoms	56 (12.2%)
Patients without risk factors	104 (18.73%)
Check-up	72 (71.2%)
Dizziness or vertigo	11 (10.8%)
Syncope	3 (3.1%)
Stroke	5 (5.4%)
Preoperatory evaluation	1 (1%)
Transient amnesia or disorientation	1 (1%)
Previous carotid artery disease	2 (2.1%)
Unspecific symptoms	6 (6.1%)