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PAUL D. WHITE, M.D.; C. SIDNEY BURWELL, M.D.

Arch Intern Med. 1924;34(4):529-532.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Just seven years ago Dr. Arlie V. Bock and I¹ presented before the American Society of Clinical Investigation a report entitled: "Electrocardiographic Evidence of Abnormal Ventricular Preponderance and of Auricular Hypertrophy." That report was based on the electrocardiograms of about 1,000 cases studied in the course of two and one-half years at the Massachusetts General Hospital. Our conclusions were that mitral stenosis and pulmonic stenosis do often affect the electrocardiogram to produce an abnormal swing of the electrical axis of the heart to the right, and that hypertension and aortic regurgitation often cause an abnormal swing of the axis to the left. We used the formula which Lewis² had suggested in 1914, simply the sum in tenths of a millivolt of the amplitudes of R in Lead I plus S in Lead III minus the sum of S in Lead I plus R in Lead III; that is (Ri + . . . [Full Text PDF of this Article]

Author Affiliations
BOSTON; BALTIMORE

From the Massachusetts General Hospital.

Footnotes
Read before the Association of American Physicians, Atlantic City, N. J., May 6, 1924.

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