The carotid arteries should be palpated and auscultated for bruits.

必须触脉搏情况，和听脉是否有血管杂音。

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

如无心脏杂音、室性心、新近中风或心梗，可在门进行。