The carotid arteries should be palpated and auscultated for bruits.

必须触诊颈情况，和听诊颈是否有血管杂音。

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

如无脏杂音、室过速、新近中风或梗，可在门诊进行。