1.The carotid arteries should be palpated and auscultated for bruits.

1.必须触颈动脉搏动情况，颈动脉是否有血管杂音。

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

2.如杂音、室性动过速、新近中风或梗，可在门进行。