10 results
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic ... Causes of acute ... Parasitic infections ... #Diarrhea #management ... workup #diagnosis #differential
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis ... Eosinophilia Infection ... Idiopathic: Acute chronic ... Washington University ID ... #Diagnosis #causes
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... Inflammatory - Infectious ... #Diarrhea #Causes ... #Differential #
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... diarrhea • ... DDX - Other causes ... : • Nephrotic syndrome ... syndrome, HIV)
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
Causes of Chronic ... lymphoma, carcinoid, infectious ... Chronic infections ... #Diarrhea #Causes ... #Differential #
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Persistent or chronic ... can cause fever ... ) • Chronic watery ... irritable bowel syndrome ... #differential #
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
pancreatic imaging: Chronic ... result-watery diarrhoea ... Irritable bowel syndrome ... overgrowth, HIV infection ... elastase #low #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Pneumonia: • 3 syndromes ... Abdominal pain, chronic ... diarrhea, cytopenias
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Lady Windermere Syndrome ... : • Syndrome of ... liver enzymes, diarrhea ... #differential #
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... inhibition - Chronic ... Myasthenia Crises ... precipitated by: Drugs, infection ... Gravis #diagnosis #management