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

如无脏杂音、室性动过速、新近中梗，在行。

The carotid arteries should be palpated and auscultated for bruits.

必须触颈动脉搏动情况，和听颈动脉是否有血管杂音。