decompensated arrhythmia congestive heart failure uncontrolled ejection fraction absence left 
threatening maintenance arrhythmias ventricular infarction myocardial ongoing life congestive heart 
heart congestive failure symptomatic history chf disease active requiring arrhythmia 
threatening stroke cardiovascular arrhythmia unstable infarction myocardial life problems congestive 
heart arrhythmias cardiovascular disease class infarction myocardial congestive symptomatic significant 
coronary artery disease cardiac symptomatic heart failure congestive myocardial infarction 
cardiac heart significant arrhythmia myocardial failure infarction congestive disease clinically 
ischemia evidence symptomatic peripheral myocardial ecg cardiac arrhythmia significant muscle 
heart nyha controlled abnormalities york association arrhythmia infarction myocardial congestive