Endocardiac electrocardiogram obtained by heart catheterization in the man.
A
A
BATTRO
H
H
BIDOGGIA
D000368:Aged; D006328:Cardiac Catheterization; D002404:Catheterization; D004562:Electrocardiography; D006321:Heart; D006801:Humans
HEART/catheterization; HEART/electrocardiography