Aortic valve commissurotomy under direct vision.
D001021:Aortic Valve; D001024:Aortic Valve Stenosis; D003251:Constriction, Pathologic; D007035:Hypothermia; D008946:Mitral Valve Stenosis / Q000628:therapy*
AORTIC VALVE/stenosis; COMMISSUROTOMY; HYPOTHERMIA