title: Correlation between orthogonal ECG (Frank) and systolic time intervals in mitral stenosis.
mesh_terms: D000328:Adult; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000175:diagnosis* / Q000503:physiopathology; D009200:Myocardial Contraction; D013599:Systole