33 results
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
Rare causes: ... HIV, HTLVI) - Chronic ... , inflammatory bowel ... malignancy - Immune deficiency ... 3, DOCK8) - Chronic
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Non-infectious: IBD ... overgrowth, Celiac disease ... Differential #Diagnosis #causes ... #gastroenterology
Irritable Bowel Syndrome (IBS) - Management
Global IBS Symptoms:
  - Limited trial low FODMAP diet
Irritable Bowel ... Rifaximin- up to 3 courses ... Secretagogues → activate ... #Irritable #Bowel ... Syndrome #Management #gastroenterology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Family history of IBD ... Diverticulitis • IBD ... • Irritable bowel ... diseaseChronic ... #Diagnosis #gastroenterology
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Causes of Fat Malabsorption ... - Acquired • Chronic ... Pancreatic lipase deficiency ... • IBD- CD, UC ... length • Short bowel
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Elite athletes • Chronic ... Edema, Celiac disease ... (IBD, cancer) ... #Iron #Deficiency
IBD Mimics
Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history:
changes without chronic ... (irritable bowel ... #inflammatroy #bowel ... #disease #mimics ... differential #diagnosis #gastroenterology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
GI: • Small bowel ... • Anorexia • Chronic ... • Inflammatory Bowel ... Disease • Steatorrhea ... endocrinology #causes
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Inflammation: IBD ... , Chronic disease ... drkeithsiau #Iron #Deficiency ... #Causes #differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... : • Acute or Chronic ... Inflammatory: • IBD ... disorders • Celiac disease ... malignancy • Iron deficiency