3451 results
Small Bowel Infarction - Pathogenesis and Clinical Findings

Thankfully, bowel infarction in general is the rarest cause
is the rarest cause ... Because of the colon's ... perfusion to the colon ... perfusion to the colon ... is reduced, colonic
Colonic Foreign Body Removal

Surgical extraction after large bowel obstruction caused by rectal insertion of a foreign
Colonic Foreign ... bowel obstruction caused ... intraoperative #colon
Constipation - Differential Diagnosis Algorithm
Diet/Lifestyle
 • Fibre
 • Calories
 • Fluid
 • Exercise
 • Psychosocial
Medications
 •
• Fibre • Calories ... Antipsychotics) Colonic ... Colorectal Disease • Colon ... Cancer • Colonic ... Diagnosis #Algorithm #Causes
Causes of Constipation in Adults
Most common
 - Inadequate fiber or fluid intake
 - Poor bowel habits
Systemic
Causes of Constipation ... Perineal descent - Colonic ... adenocarcinoma - Colonic ... megarectum Slow colonic ... #Constipation #Causes
Pathogenesis of Select Causes of Constipation in Adults and in Elderly

 • Mechanical (ex. Bowel Obstruction,
Pathogenesis of Select Causes ... Digestion and colonic ... deposits into colonic ... hypersensitivity and Decr colonic ... contractions -> Incr Colonic
Moraxella catarrhalis on culture and microscopy
Only 1-5% of adults are colonized with this Gram neg diplococci
of adults are colonized ... It can be the cause ... "hockey puck" colonies
Causes of Constipation - Differential Diagnosis Framework
 • Motility: Diet, IBS-C, Colonic inertia, Pelvic floor disorders,
Causes of Constipation ... : Diet, IBS-C, Colonic ... Hyperparathyroidism, Chronic ... e.g. fissure), Chronic ... Differential #Diagnosis #Causes
Causes of Toxic Megacolon - Differential Diagnosis Framework
 • Inflammatory Bowel Disease: Ulcerative colitis, Crohn's colitis
Causes of Toxic ... Diverticulitis, Obstructing colonic ... carcinoma, Colonic ... Differential #Diagnosis #Causes
Hepatic Encephalopathy - Diagnosis and Management Summary
Definition:
 • Alteration in brain function manifested by neuropsychiatric symptoms
neuropsychiatric symptoms • Caused ... rule out other causes ... lactic acid by colonic ... can be used in cases ... ammonia-producing colonic
Abdominal Distention - Differential Diagnostic Algorithm
Ascites
Bowel Dilatation
Other Causes
Mechanical Obstruction
 • Adhesions 60%
 • Volvulus 3%
 •
Dilatation Other Causes ... Pseudo-obstruction Acute Colonic ... Hypothyroidism Chronic