. The principles of clinical pathology, a text-book for students and physicians; . the middle those of the auricle, and the lowerthe pulse, the ventricle received an electrical stimulus at thepoint x. It will be seen that this resulted in the premature 90 Engelmann, Pflitgers Arch., vol. lxii. p. 543; Hering, Pfliigers Arch.,vol. lxxxii. p. 1; Ebstein, Arch. f. klin. Med., vol. lxv. p. 81; J. Study of the Pulse, etc. 94 CLINICAL PATHOLOGY ventricular extrasystole, c, whereas the auricular rhythm re-mained regular. The stimulus proceeding from the auricularcontraction, C, found th


. The principles of clinical pathology, a text-book for students and physicians; . the middle those of the auricle, and the lowerthe pulse, the ventricle received an electrical stimulus at thepoint x. It will be seen that this resulted in the premature 90 Engelmann, Pflitgers Arch., vol. lxii. p. 543; Hering, Pfliigers Arch.,vol. lxxxii. p. 1; Ebstein, Arch. f. klin. Med., vol. lxv. p. 81; J. Study of the Pulse, etc. 94 CLINICAL PATHOLOGY ventricular extrasystole, c, whereas the auricular rhythm re-mained regular. The stimulus proceeding from the auricularcontraction, C, found the ventricle in the refractory period justfollowing its extrasystole c, and consequently it was withouteffect and this contraction was omitted. The ventricle did notagain contract until the stimulus from the auricular contrac-tion D reached it, causing the ventricular contraction d. Sincethe auricle had maintained its regular rhythm during the extraventricular contraction, the premature extrasystole, c, is fol-lowed by a correspondingly long pause, and the time from b to Fig. a b d e f


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