The carotid arteries should be palpated and auscultated for bruits.

必须触诊颈动搏动情况，和听诊颈动有音。

Perform in the clinic if no bruits, ventricular tachycardia, recent stroke, or myocardial infarction.

如无心脏音、室性心动过速、新近中风或心梗，可在门诊进行。