The electrocardiogram in congenital heart disease and mitral stenosis

摘要: Abstract 1.1. Mean levels of right ventricular pressure, flow, and work, but particularly mean are considerably higher in congenital heart disease than mitral stenosis. 2.2. In only abnormal electrocardiograms appeared above a systolic ejection pressure 30 mm. Hg. stenosis normal or borderline frequently up to level 60 3.3. almost all were work load 1 kg. M./min./sq.M. stenosis, often occurred at M./min./sq. M. 4.4. both disease, the pattern partial bundle branch block thus this be as significant classic hypertrophy detection hypertension presumptive hypertrophy. 5.5. Gross electrocardiographic differences between present precordial leads; was most marked V 3R , where R wave three four times tall comparable 6.6. electrocardiogram is remarkably accurate (91 per cent cases) no definite correlation abnormalities individual waves such height RS ratio over precordium work. 7.7. The less diagnostic (51 But when abnormal, ratios 8.8. These total picture suggest fundamental genesis two diseases.