33 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... - Low Serum B12 ... Myelodysplastic Syndromes ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
Clinically Important ... • Thiamine B1 ... Wernicke-Korsakoff syndrome ... gestation • Vitamin B12 ... #differential #diagnosis
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... #differential #diagnosis ... #causes #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... crisis • Severe B12 ... macroangiopathic hemolytic anemia ... " • HELLP syndrome ... #hematology #hemolysis
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... consumption • Vitamin B12 ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Staphylococcal Scalded Skin Syndrome (SSSS)

A 5-year-old girl presents to the ED with a rash that started
Staphylococcal Scalded Skin Syndrome ... Scalded #Skin #Syndrome ... #SSSS #Clinical ... #Photo #Peds #Pediatrics ... #Dermatology
Herpes Zoster Mandibularis - The lesions were scattered along the area that is innervated by the
A presumptive diagnosis ... #Clinical #Photo ... #Dermatology #Herpes ... Mandibularis #Rash #NEJM
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Clinical Presentation ... - Parvovirus B19 ... • Parvovirus B19 ... #oncology #hematology ... #diagnosis #management
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
Clinical Syndrome ... : • Common Clinical ... Abnormalities: macrocytic anemia ... polyarteritis nodosa (12% ... myeloid cells NEJM