673 results
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Diagnosis Algorithm Infectious ... Fibrosis • Celiac Disease ... Disease • Overfeeding ... • Short Bowel ... Poisoning • Irritable
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Irritable bowel ... Parasitic infections ... Systemic disease ... stool weight: Irritable ... bowel syndrome,
IBD Mimics
Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history:
intestine: Behcet's disease ... inflammation: IBS (irritable ... bowel syndrome) ... #inflammatroy #bowel ... #disease #mimics
Differential Diagnosis of Patients Presenting with Symptoms of Acute Diverticulitis:
Appendicitis, Bowel obstruction, Colorectal cancer, Ectopic pregnancy,
Appendicitis, Bowel ... disease, Inguinal ... hernia, Irritable ... bowel syndrome, ... Urinary tract infection
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Hypermotility: • Irritable ... bowel syndrome ... Inflammatory - Infectious ... Inflammatory - Non-infectious ... • Inflammatory bowel
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
acid diarrhoea, Irritable ... bowel syndrome, ... Inflammatory bowel ... bowel bacterial ... overgrowth, HIV infection
Causes and Assessment of the Child with Recurrent Abdominal Pain
> 90% no structural cause identified
Gastrointestinal
 •
Gastrointestinal • Irritable ... bowel syndrome ... • Inflammatory bowel ... disease • Malrotation ... Urinary tract infection
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
Crohn disease ... lymphoma, carcinoid, infectious ... Irritable bowel ... syndrome Chronic infections ... Cytomegalovirus, HIV infection
Localized Acute Abdominal Pain(<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac, pulmonary,
Urinary tract infection ... Ureteric colic • Irritable ... bowel syndrome ... • Peptic ulcer disease ... Pelvic inflammatory disease
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
• Inflammatory/Infectious ... Cuffitis, Crohn's disease ... Small bowel bacterial ... • Functional: Irritable ... stone, Celiac disease