33 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... (>100 fL) • B12 ... #Anemia #MCV #Classification ... #Algorithm #Causes
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma ... #differential #diagnosis
Causes of Pediatric Diarrhea - Differential Diagnosis Algorithm
Infectious:
 • Viral
 • Bacterial
 • Parasitic
Malabsorption:
 • Lactase
Causes of Pediatric ... - Differential Diagnosis ... Cystic Fibrosis • Celiac ... Disease • Primary ... #Peds #Pediatrics
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... vitamin B12 intake ... , coeliac disease ... #differential #diagnosis
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Elite athletes • Chronic ... Bleeding, Edema, Celiac ... #differential #diagnosis ... #causes #nutrition
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... • B12/Folate ... Disease • Marrow ... Non-lmmune #Anemia #Classification ... #Algorithm #Causes
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... patients with anemia, diagnose ... inflammation or chronic ... tests Test for celiac ... disease with serology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... disorders • Celiac ... disease Tissue ... malignancy • Iron deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... Inflammation: IBD, Chronic ... disease (↑ hepcidin ... #diagnosis #anemia
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... kidney disease, ... Megaloblastic: Vitamin B12 ... #differential #diagnosis ... #causes #hematology