Protuberant Abdomens (Table 11-9)

9 terms by szm9131 

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fat

most common cause of a protuberant abdomen; thickens the abdominal wall, the mesentery, and the omentum; umbilicus may seem sunken

pannus

apron of fatty tissue that may extend below the inguinal ligaments

gas

distention may be localized or generalized; causes a tympanitic percussion note

gas

can be produced from certain foods

more serious causes are intestinal obstruction and adynamic (paralytic) ileus

true

true or false: in a protuberant abdomen distended by gas, distention becomes more marked in colonic than in small bowel obstruction

tumor

large, usually rises out of pelvis, and dull to percussion; air-filled bowel is displaced to the periphery

tumor

causes include ovarian tumors and uterine myomata; occasionally a distended bladder can be mistaken for this.

pregnancy

common cause of a "pelvic" mass

ascitic fluid

seeks the lowest point in the abdomen, producing bulging flanks that are dull to percussion; the umbilicus may protrude

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