Materials and Methods: Arabbit pulmonary embolism model is established.
材料与方法：建立兔肺栓塞模型。
Methods An experimental pulmonary embolism model in rats was made by injecting coagulated thrombus in vitro into right atrium cordis through a conductor.
方法采用改良的导管方法将体外已凝的大鼠血栓注入右心房制备大鼠急性肺栓塞模型。
Objectives: to develop a predictive model for pulmonary embolism based on clinical symptoms, signs, and the interpretation of the electrocardiogram.
目的：在临床症状、影像和心电图表现的基础上开发一个肺栓塞的预测模型。
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