Clinical electrocardiography . Fig. 107 . Lt. te6 H s Diffuse iso-electric state of Heart if in Devivations I and, IE occurred. ,. Fig. 108 _/\ Lt. leg Figs. 101-108.—Observations on negativity of the final ventricular T wave ofthe electrocardiogram. 123 124 CLINICAL ELECTROCARDIOGRAPHY arrangement is illustrated in Fig. 101. For reasons of simplifica-tion I have represented the three derivations by the sides of anequilateral triangle. To prevent misunderstanding it should bestated that the schematic figure employed, divided into zones ofelectropotential, is not
Clinical electrocardiography . Fig. 107 . Lt. te6 H s Diffuse iso-electric state of Heart if in Devivations I and, IE occurred. ,. Fig. 108 _/\ Lt. leg Figs. 101-108.—Observations on negativity of the final ventricular T wave ofthe electrocardiogram. 123 124 CLINICAL ELECTROCARDIOGRAPHY arrangement is illustrated in Fig. 101. For reasons of simplifica-tion I have represented the three derivations by the sides of anequilateral triangle. To prevent misunderstanding it should bestated that the schematic figure employed, divided into zones ofelectropotential, is not based on mathematic consideration. Theright upper zone in general corresponds to the sinus region of theheart which is the seat of primary negativity. Changes in the normal potential distribution produce T wavenegativity in isolated or combined derivations of the electrocardio-gram. Reversal of potential in one derivation alters cardiacpotential so that T wave negativity in that derivation occurs. Increased general cellular function implies increased bloodvolume for the maintenance of normal tissue metabolism. In aspecialized organ this augmentation is
Size: 1705px × 1465px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookidclinicalelec, bookyear1922
