54 results
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
and Vitamin Deficiency ... E - Haemolytic anaemia ... paraesthesiae • Folate - Anaemia ... B12 - Anaemia, ... #Deficiency #differential
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Anemia - Underproduction ... Algorithm - Iron ... deficiency anemia ... kidney disease - Vitamin ... B12 and/or folate
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... malignancies • Anemia ... (specifically: iron ... deficiency, hemolysis
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Stomach: Pernicious anemia ... #B12 #Deficiency ... #Cobalamin #differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... Microcytic" • Iron ... Megaloblastic: Vitamin ... B12 deficiency, ... #diagnosis #causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (<80 fL) • Iron ... Poisoning • Anemia ... Marrow Failure • Anemia ... Myelodysplasia #Anemia
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... malignancy • Iron ... deficiency anemia ... #Differential #
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
Folate - Macrocytic anemia ... • Vitamin B12 ... - Macrocytic anemia ... - Anemia • Zinc ... cognitive dysfunction, anemia
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach to Anemia ... B12/Folate Deficiency ... • Aplastic Anemia ... • Anemia of Chronic ... Non-lmmune #Anemia
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
• Microcytic - Iron-deficiency ... anemia, Thalassemia ... , Thalassemia, Iron-deficiency ... Post-splenectomy, Vitamin ... key #diagnosis #differential