A.心梗后右房射血分?jǐn)?shù)降低 B.心梗后全心射血分?jǐn)?shù)降低 C.心梗后左室射血分?jǐn)?shù)降低 D.心梗后左房射血分?jǐn)?shù)降低 E.心梗后右室射血分?jǐn)?shù)降低