21 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... Volume (<80 fL) • Iron ... (>100 fL) • B12 ... #MCV #Classification
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Deficiency • ... B12/Folate Deficiency ... #Classification ... Diagnosis #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 ... Celiac disease, IBD ... Stomach: Pernicious anemia ... #differential #
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Inflammation: IBD ... #Deficiency #Causes ... #differential # ... diagnosis #anemia
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Loss (without anaemia ... Inflammatory Disease (IBD ... , cancer) #Iron ... #Deficiency #differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Microcytic" • Iron ... deficiency • ... Megaloblastic: Vitamin B12 ... morphologic #mcv #differential ... #diagnosis #causes
TAILS Mnemonic for - Causes of Microcytic Anemia
(MCV < 80)

T - Thalassemia - Inherited hemoglobinopathies
A -
TAILS Mnemonic for ... utilization I - Iron ... Deficiency - Most ... #TAILS #Mnemonic ... #Causes #Differential
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Inflammatory: • IBD ... malignancy • Iron ... deficiency anemia
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Crohn's > UC Anemia ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... report dehydration as ... /other causes
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... RBC turnover • Iron ... , B-12, or folate ... deficiency • ... Diagnosis #DM2 #Differential