The pericardium is always in views from the right side. Pericardial effusion will be recognize when a hypoechoic [fluid filled] space is present between the myocardium and pericardium.

• 总是从右侧图像观察心曩。藉由心肌与心包膜之间的低回音性空间[积液]，可以辨认出心曩渗出液。