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Blalock,Alfred, U.S. surgeon, 1899-1965.
Blalock-Hanlon operation - the creation of a large atrial septal defect as a palliative procedure for complete transposition of the great arteries.
Blalock pulmonary clamp
Blalock shunt - subclavian artery to pulmonary artery shunt to increase pulmonary circulation in cyanotic heart disease with decreased pulmonary flow.
Blalock-Taussig operation - an operation for congenital malformations of the heart.
Blalock-Taussig shunt - a palliative subclavian artery to pulmonary artery anastomosis.