English Coarctation of the aorta Cited by user Lunaverse on 01 Aug 2022 Coarctation of the aorta (CoA or CoAo), also called aortic narrowing, is a congenital condition whereby the aorta is narrow, usually in the area where the ductus…
English Clarence Crafoord Cited by user Plindenbaum on 23 Jan 2009 Crafoord also introduced heparin as thrombosis prophylaxis in the 1930s and he pioneered mechanical positive-pressure ventilation during thoracic operations in the 1940s.