Medical diagnosis for the student and practitioner (1922) (14597904299)

Identifier: medicaldiagnosi00gree (find matches)
Title: Medical diagnosis for the student and practitioner
Year: 1922 (1920s)
Authors: Greene, Charles Lyman, 1862-
Subjects: Diagnosis
Publisher: Philadelphia, Blakiston
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress



Text Appearing Before Image:
Fig. 297.—Normal heart, taken in inspiratory phase. Transverse measurement 13 cm. possessors until the necessary relief occurs, and some further self-protection isafforded the patient by the subjective sense of weakness, or an actual physicaldisability, which limits his activity during this period, but which he, unwatchedand uninstructed, all too frequently disregards. brake That no damage is done in such cases is hardly conceivable nor is it inaccord either with clinical experience or experimental work.35 The automatic 594 MEDICAL DIAGNOSIS Big normalhearts rare ornon-existent. Exaggerated Estimate of the Normal Dimensions of the Heart.—No radiographic examples of a normal heart of excessive size (exceeding 13.5cm. in total transverse diameter) have come under the authors observation.(See Cohns Table under Heart.p. 429.) Damagingerror. A commontype.
Text Appearing After Image:
Fig. 298.—Beautiful example of the hanging (drop) heart. The same qualityis more or less well marked in all, if viewed fLuoroscopically during full inspiration.Total transverse, 9.5 cm. Many abnormally dilated hearts are accepted as normal in size because ofa faulty conception of what constitutes a normal outline, together with a disre-gard of the law of proportionate weights and of individual peculiarities of bodystructure and conformation. THE DROP HEART OF THE CONGENITALLY ASTHENIC IN-DIVIDUAL.—During the past ten years the author has been deeply interested THE DROP-HEART 595 in the study of a host of cardiopaths showing predominant subjective mani-festations, together with clearly denned evidences of impairment of tonicitywith or without either persistent cardiac dilatation or extreme dilatability,though the heart diameter, radio graphically, and by percussion, falls within themaximum normal The underlying condition corresponds apparently to what Mackenziecalled the X disease.