The effect of a single inspiration in lead III and a precordial lead of the human electrocardiogram.

Abstract

Article1 March 1951THE EFFECT OF A SINGLE INSPIRATION IN LEAD III AND A PRECORDIAL LEAD OF THE HUMAN ELECTROCARDIOGRAMGEORGE L. NORRIS, M.D., EDWARD MASSIE, M.D., F.A.C.P.GEORGE L. NORRIS, M.D.Search for more papers by this author, EDWARD MASSIE, M.D., F.A.C.P.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-34-3-641 SectionsAboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail ExcerptINTRODUCTIONThat respiration changes the contour of the electrocardiogram has been known since Einthoven, Rotherberger, and Winterberg1studied the shifting electrical axis of the heart and found that sympathetic stimulation or vagal paralysis produced changes similar to those at first thought due solely to the mechanical effects of movement of the diaphragm. Wilson2, 3in 1915 reported three cases in which respiration was associated with auriculoventricular dissociation, and one instance in which a partially inverted T3became upright and exaggerated. The same changes were brought about by pressure over the right vagus, and were eliminated by atropine. He emphasized that...Bibliography1. EinthovenRotherbergerWinterberg ; quoted by Woodruff, L. W.: A clinical study of respiratory variations in the form of the electrocardiogram, Am. Heart J. 8: 412, 1933. CrossrefGoogle Scholar2. Wilson FN: A case in which the vagus influenced the form of the ventricular complex of the electrocardiogram, Arch. Int. Med. 16: 1008, 1915. CrossrefGoogle Scholar3. Wilson FN: Three cases showing changes in the location of the cardiac pacemaker associated with respiration, Arch. Int Med. 16: 86, 1915. CrossrefGoogle Scholar4. CohnRaisbeck AEMJ: An investigation of the relation of the position of the heart to the electrocardiogram, Heart 9: 311, 1922. 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Author, Article, and Disclosure InformationAffiliations: *Received for publication March 22, 1949.From the Department of Internal Medicine, Washington University School of Medicine, and the Heart Station, Barnes Hospital, St. Louis, Missouri. PreviousarticleNextarticle Advertisement FiguresReferencesRelatedDetails Metrics Cited byInverted T waves in the precordial electrocardiogram of normal adolescents 1 March 1951Volume 34, Issue 3Page: 641-654KeywordsAtropineElectrocardiographyHeartHospital medicineParalysisRespirationTriiodothyronine ePublished: 1 December 2008 Issue Published: 1 March 1951 PDF downloadLoading ...