percutaneous transvenous mitral commisurotomy
Also found in: Acronyms.
percutaneous transvenous mitral commisurotomy
PTMC Cardiology A minimally invasive procedure used for mitral valve stenosis; PTMC success is ↑ when coupled with intracardiac echocardiography to guide transseptal catheterizationMcGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.