title: Pigtail-guidewire technique for retrograde crossings of stenotic aortic valve--a case report.
authors: Division of Cardiology, Desert Hospital, Palm Springs, California.
authors: A
authors: A
authors: Feit
authors: N
authors: N
authors: Rao
mesh_terms: D000368:Aged; D001021:Aortic Valve; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging*; D006328:Cardiac Catheterization / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D008297:Male; D011859:Radiography