GI part III Flashcards
A volvus is….
Rotation of bowel looks around a fixed point. May be the cause of a SBO. Typically due to congenital abnormalities or adhesions.
TX of SBO
- NG tube decompression
- If complete or strangulated: Surgery
Most common site of Large Bowel Obstruction?
Sigmoid colon
Dx of LBO
Abd X ray
Barium Enema
What is Toxic Megacolon?
A rare life threatening form of Ulcerative Colitis
SS of Toxic Megacolon?
Toxic colitis, fever, tachycardia, abd distention, signs of peritonitis
Abd X ray shows what with Toxic Megacolon?
Dilated colon . 6 cm
Patient presents with severe anal pain and bleeding with defecation, think…?
Anal fissure
First line tx for anal fissure?
Fluid and Fiber
(stool softeners, bulking agents, and sitz baths)
may require Internal anal Sphincterotomy if conservative measures fail
A patient wiht severe continuous throbbing anal pain that is worse with ambulation and straining and on exam you see a very tender palpable mass in the external perianal area, think of?
Anorectal Abscess/fistula
Tx of Anorectal Abcess/Fistula
Surgical Drainage, may develop a fistula-in-ano
What 2 things that an anal fissure off midline might suggest?
Crohn’s, Syphillis, HIV, Neoplasm
Abcess in Sacrococcygeal cleft?
Pilonidal disease
Zollinger-Ellison Syndrome is also known as a…?
Gastrinoma
Diagnosis of Celiac Disease?
Endoscopic Bx
Abdominal exam with pain out of proportion to exam, think?
Intestinal Ischemia
Painless bright red blood per Rectum, you shoud think?
Hemorrhoids
What is more painful? Internal or External Hemorrhoids?
External (Below dentate line) painful