Pulse oximetry

Something the Lord Made Most individuals are familiar with the common phrase, ‘necessity is the mother of invention’, and this holds steadfast in the medical field. The film, Something the Lord Made, depicts the medical research of Dr. Alfred Blalock and his lab assistant, Vivien Thomas, at John Hopkins University in the 1940s. Dr. Blalock and Thomas were attempting to recreate Tetralogy of Fallot, otherwise known as Blue Baby Syndrome, in dogs to discover a procedure that could save the lives…