16 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Inflammation, Chronic Infection ... (>100 fL) • B12 ... Classification #Differential ... Algorithm #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Macroangiopathic, Infections ... Folate deficiency, B12 ... Non-megaloblastic: Liver disease ... #Diagnosis #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... deficiency • Fanconi’s anemia ... consumption • Vitamin B12 ... deficiency Infections ... #Diagnosis #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD, Celiac disease
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... Chronic kidney disease ... (e.g. cancer, infection ... G6PD deficiency), Infections ... #anemia #differential
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... Drugs (Beta lactam antibiotics ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Leukocytosis, anemia ... treatment until ... Lung Abscess Differential ... Abscess #pulmonary #differential
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Neutropenia - recurrent infections ... - β-lactam antibiotics ... Idiopathic • Infections ... Treatment: ... #oncology #hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Neurological 12% ... - Hemolytic anemia ... Other auto-immune, Infectious ... diseases, Hematological ... #rheumatology