108 patients ( 88 male , mean age 50 years , 20 female , mean age 49 ) having coronary heart disease ( 40 ) , cardiomyopathy ( 39 ) , hypertension ( 9 ) , valvular disease ( 9 ) , pulmonary diseases ( 5 ) and without cardiac diseases ( 6 ) underwent chest plain radiographs in standing and recumbent position immediately before being investigated invasively by left and right heart catheterisation , angiocardiography and coronary angiography .
C0878544
cardiomyopathy
C0018799
cardiac diseases