HADLEY L. CONN JR., M.D., F.A.C.P.
Precision in cardiac diagnosis by laboratory techniques has shown steady improvement since World War II, an improvement consequent to the introduction of cardiac catheterization, the many new electronic devices growing out of war-time developments, and the advent of corrective cardiac surgery. Available operative procedures for correction of many of the congenital defects of the heart and great vessels have led to especially intensive evaluation of these processes. Interest has been heightened not only in their earliest recognition, but in the determination of the anatomic site involved, the size of the defect, the amount and direction of blood flow following an
CONN HL. Cardiac Shunts: Newer Aids in Their Diagnosis. Ann Intern Med. ;56:659–663. doi: 10.7326/0003-4819-56-4-659
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Published: Ann Intern Med. 1962;56(4):659-663.
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