18 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (<80 fL) • Iron ... of Chronic Disease ... of Chronic Disease ... (>100 fL) • B12
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... with anemia, diagnose ... inflammation or chronic ... tests Test for celiac ... disease with serology
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Disease - Diagnosis ... • Signs and symptoms ... diseaseIron-deficiency ... anemia unresponsive ... #Disease #Diagnosis
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... disease (↑ hepcidin ... #differential #diagnosis ... #anemia #nutrition
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Elite athletes • Chronic ... Loss (without anaemia ... Bleeding, Edema, Celiac ... #differential #diagnosis
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
and Evaluation ... onset (acute vs. chronic ... 2) Presence of symptoms ... , liver, renal disease ... #EM #IM #Nephro
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... Deficiency • B12 ... • Anemia of Chronic ... Disease • Marrow ... #Algorithm #Causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac ... disease Tissue ... malignancy • Iron ... deficiency anemia
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Microcytic" • Iron ... disease, Acute ... Megaloblastic: Vitamin B12 ... #causes #hematology
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