(2/18) Dr. Werner Forssman (🇩🇪) performs 1st human #RHC (1929) by inserting a 65cm urologic catheter into his own antecubital vein and walking up to the X-ray department for imaging. Reportedly, he did this repeatedly! He left urology for primary care & shared @NobelPrize (1956).
(3/18) Dr. Fariñas (🇨🇺) performs aortography via femoral🔪 cut down (1941). Dr. Euler (🇩🇪) performs thoracic angiography by direct aorta puncture via esophagus (1949). Drs. Cournand & Dickinson (🇺🇸) open 1st US #cath lab (1945), publish extensively, and shared @NobelPrize (1956).