new parameters of diagnostic significance were identified by automated reproduction of vectorcardiographic spatial qrsxyz loop ( the macfee-parungao system ) and computer analysis of vectorcardiographic parameters , that improve electrocardiographic diagnosis of cardiac hypertrophies , as compared to the conventional criteria , bringing its accuracy to 88.8 % for lvh , 100 % for rvh , and 45 % for ch .
C0018800
cardiac
C0149721
lvh