. Diagnostic médical pour l'étudiant et praticien. in. 5, de l'oreillette droite. 6, de la veine pulmonaire inférieure droite. 7, Crista termi-nalis. 8, couper la cuspide tricuspide antérieure. 9, Fossa ovalis. 10 sinus coronarii, Valvula. n,Valvula venae cavae. 12, vena cava inferior. 13, l'artère carotide commune gauche. 14,l'artère innommé. 15, reflet de péricarde. 16, l'artère pulmonaire. 17, Ascend-ing de l'aorte. 18, la valve pulmonaire gauche. 19, Conus artériel. 20, Crista supraventricu-laris. 21, muscle papillaire du conus. 22, la conduction auriculo-ventriculaire (Son) l'ensemble. 23, Medialtricuspid point, partiellement retirée. 24, antérieure m papillaire

• Contributeur: The Reading Room / Alamy Banque D'Images
• ID de l’image: 2AG269X
• Taille du fichier: 7,2 MB (403,2 KB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 1454 x 1719 px | 24,6 x 29,1 cm | 9,7 x 11,5 inches | 150dpi

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. Medical diagnosis for the student and practitioner. in. 5, Right atrium. 6, Right inferior pulmonary vein. 7, Crista termi-nalis. 8, Cut anterior tricuspid cusp. 9, Fossa ovalis. 10, Valvula sinus coronarii. n, Valvula venae cavae. 12, Vena cava inferior. 13, Left common carotid artery. 14, Innominate artery. 15, Reflexion of pericardium. 16, Pulmonary artery. 17, Ascend-ing aorta. 18, Left pulmonary valve. 19, Conus arteriosus. 20, Crista supraventricu-laris. 21, Papillary muscle of conus. 22, Atrioventricular (His) bundle. 23, Medialtricuspid cusp, partially removed. 24, Anterior papillary muscle. 25, Part of posteriormitral cusp. 26, Posterior papillary muscle. Sinus oode. 468 MEDICAL DIAGNOSIS Course ofimpulses. Normal con-duction time. Thence the wave of impulse spreads over the auricular walls, causingauricular contraction, then crosses the bridge of Gaskell (bundle of His, Jr.) to the papillary muscles and walls of the ventricles, which begin to con-tract from o.i 2-0.18 of a second later (normal a-c interval of the venoustracing).. Fig. 179.—GaskelTs Bridge, His Bundle. Left ventricle and part of theatrium. (The aorta is opened through the medial cusp of the mitral valve. The plainlyvisible left limb of the atrio-ventricular bundle has been accentuated.) {Morris-Jackson.) 1, Pulmonary artery. 2, Right auricle. 3, Right aortic valve. 4, Anterior mitralcusp. 5, Atrioventricular bundle. 6, Anterior papillary muscle. 7, Cut wall of leftatrium. 8, Membranous ventricular septum. 9, Left atrium, io, Part of posteriormitral cusp. 11, Vena cava inferior. 12, Coronary sinus. 13, Posterior papillarymuscle. 14, Fine mesh work of columna carnae at apex. Right vs. Left Auricle.—As might be expected from the position of thepace maker, the beginning of right auricular contraction actually precedesthat of its fellow, the left auricle, by 0.01 to 0.03 second but clinically theircontraction may be considered as simultaneous. THE EXAMINATION OF THE HEART 469 Extrasystoles.

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