61 results
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
- Coagulation disorder ... Wernicke-Korsakoff syndrome ... gestation • Vitamin B12 ... Vitamins #Deficiency #differential ... #diagnosis #signs
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Anemia - Underproduction ... disease - Vitamin B12 ... Probable bone marrow disorder ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Volume (MCV) - Differential ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... #elevatedMCV #Differential ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... • Rheumatic disorders ... effect following treatment ... Iron deficiency anemia ... Thrombocytosis #Differential
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Deficiency • B12 ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... Algorithm #Causes #Hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... crisis • Severe B12 ... macroangiopathic hemolytic anemia ... " • HELLP syndrome ... #diagnosis #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... consumption • Vitamin B12 ... #Diagnosis #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Algorithm Consumption Disorders ... HLH syndrome 5. ... Eating disorders ... Acquired Aplastic Anemia ... Diagnosis #Algorithm #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... morphologic #mcv #differential ... diagnosis #causes #hematology