title: When should you question your wedge and use a long iron (transseptal needle) instead?
authors: Morton J
authors: MJ
authors: Kern
mesh_terms: D001024:Aortic Valve Stenosis / Q000503:physiopathology*; D016279:Atrial Function, Left; D005260:Female; D019918:Heart Valve Prosthesis Implantation / Q000009:adverse effects*; D006439:Hemodynamics; D006801:Humans; D008946:Mitral Valve Stenosis / Q000601:surgery*; D012214:Rheumatic Heart Disease / Q000601:surgery*