. The heart and the aorta; studies in clinical radiology . TO MOEITZ e f, longitudinal diameter; g h, transverse diameter; a t, diameter fromthe middle to the right; c d, diameter from the middle to the left. The measure of these four diameters has enabled theauthor to draw up the following table according to theheight of the patients: SHADOW OF HEART IN NORMAL STATE 27 MEN OF 17 TO 56 YEARSOrthodiagraphy Projection in Horizontal Recumbency Diameter Diameter frommiddle fromin iddle Longitu-dinal Transverse Height- to right to left diameter diameter m cm. in em. m cm. in cm. III rill. 153-157 A
. The heart and the aorta; studies in clinical radiology . TO MOEITZ e f, longitudinal diameter; g h, transverse diameter; a t, diameter fromthe middle to the right; c d, diameter from the middle to the left. The measure of these four diameters has enabled theauthor to draw up the following table according to theheight of the patients: SHADOW OF HEART IN NORMAL STATE 27 MEN OF 17 TO 56 YEARSOrthodiagraphy Projection in Horizontal Recumbency Diameter Diameter frommiddle fromin iddle Longitu-dinal Transverse Height- to right to left diameter diameter m cm. in em. m cm. in cm. III rill. 153-157 AverageMaximum Minimum 161-169 AverageMaximum Minimum Average 171-178 Maximum Minimum Claytor and Merrill have proceeded otherwise. Theyestimated that to measure two diameters was sufficient;a longitudinal diameter starting from the base of theheart, at the intersection of the cardiac curve and of the. Fig. 7. DIAMETERS OF THE HEART ACCORDING TO CLAYTOR AND MERRILL LD, diameter longitudinal; MR + ML = transverse diameter. 28 THE HEART AND THE AORTA origin of the blood-vessels, and extending to the apex,and a transverse diameter which represents the total ofthe two half-diameters (middle to left and middle toright according to Moritz—see Fig. 7). Finally they tookas the basis of comparison not the height but the weightof the patients: CLAYTOE AND MEEEILL Table I. Orthodiagrams of Men in Vertical Position Weightin pounds Transverse diameter in cm. MB-\- ML Longitudinaldiameter)* in cm. 109-117 Minimum Average Maximum 118-126 Minimum Average Maximum 127-135 Minimum Average Maximum 136-144 Minimum Average Maximum 145-162 Minimum Average Maximum 163-181 Minimum Average Maximum
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