Balloon dilatation for mitral stenosis.
D000368:Aged; D002404:Catheterization / Q000379:methods*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000503:physiopathology / Q000628:therapy*; D011669:Pulmonary Wedge Pressure