when the following 7 risk factors were actively managed in the acute stage of myocardial infarction , the incidence of myocardial rupture was significantly reduced : a ) high blood pressure on admission , b ) physical and emotional instability , c ) recurrent chest pain , d ) aged females , e ) no history of angina or myocardial infarction , f ) large myocardial infarction on ecg and g ) the first 10 days after the attack of myocardial infarction .
C0008031
chest pain
C0002962
angina