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

如无心、室性心过速、新近中风或心梗，在门诊进行。

The carotid arteries should be palpated and auscultated for bruits.

必须触诊颈脉搏，和听诊颈脉是否有血管。