two noninvasive methods for diagnosing cardiac function , the determination of systolic time intervals ( sti ) and radiocardiography-cyclography ( rcg ) , were investigated in parallel on two study groups - patients with healthy heart and patients with myocardial insufficiency - before and after glycoside treatment with regard to their diagnostic validity by inter- and intraindividual comparison .
C0018787
heart
C0027061
myocardial