A change of circumstances anginal attack and coronary artery disease degree is not necessarily the organic relation .
心绞痛发作情况的改变与冠状动脉器质性病变的程度不一定有关系。
Pulmonary embolism pain may be pleuritic when infarction of the lung results in pleuritis or may be anginal when right ventricular ischemia occurs secondary to sudden onset of pulmonary hype .