Courtesy of @PopmaJeffrey & @ACCinTouch
(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).