. Diseases of the heart and thoracic aorta. Fig. 33.—Stiperfuial vieiu of the organs of the chest and abdojnen from the front,shozoing the part of tlie heart uncovered by hmg. {Enlargedfrom Sibson.) 124 Diseases of the Fig. 34.—The area ofprcecordialdtilness in middle age. (After Weil.) ABCD, area of superficial or absolute cardiac dulness ; AIK, area of im-paired percussion or deep dulness; CE, lower border of right lung; DF, lowerborder of left lung; G and H, upper borders of lungs; PQ, upper border of hepaticdulness ; LM, lower border of hepatic dulness ; NO, lower border of stomach
. Diseases of the heart and thoracic aorta. Fig. 33.—Stiperfuial vieiu of the organs of the chest and abdojnen from the front,shozoing the part of tlie heart uncovered by hmg. {Enlargedfrom Sibson.) 124 Diseases of the Fig. 34.—The area ofprcecordialdtilness in middle age. (After Weil.) ABCD, area of superficial or absolute cardiac dulness ; AIK, area of im-paired percussion or deep dulness; CE, lower border of right lung; DF, lowerborder of left lung; G and H, upper borders of lungs; PQ, upper border of hepaticdulness ; LM, lower border of hepatic dulness ; NO, lower border of stomach inmoderate distention. Area of absolute cardiac dulness. 125 The apex of the triangle corresponds under normal cir-cumstances to the junction of the fourth left costal cartilagewith the sternum. The vertical side of the triangle, the side formed by aline drawn from the apex of the triangle to the central (thesternal) end of the base line, is, under normal circumstances,about two inches in length. For the reason already given(see foot-note, page 122) it does not correspond to the mid-lineof the sternum, but to the left border of the bone. The third or obliq?ie side of the triangle, which is seldoma straight line
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectheart, bookyear1884
