67 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Diagnosis Algorithm ... of Chronic Disease ... of Chronic Disease ... , Chronic Infection ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Diagnosis Algorithm ... Myelofibrosis Infectious ... disorders • Celiac disease ... Iron deficiency anemia ... #Causes #Hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... Diagnosis Platelet ... Reactive: • Anemia ... Myelofibrosis • Chronic ... #Platelets #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diseases: • GATA2 ... deficiency • Fanconi’s anemia ... Systemic lupus erythematosus ... deficiency Infections ... #Diagnosis #Hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Diagnostic Algorithm ... - Anemia of chronic ... disease - Vitamin ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... Dermatomyositis Erythema chronicum ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Vasculitides, IBD, Celiac disease ... : Chronic infections ... #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Diagnosis Algorithm ... Systemic Lupus Erythematosus ... Pseudotumor - Infectious ... Age > 50 • Chronic ... #Causes #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... myeloma Rouleaux: Chronic ... Multiple myeloma, Chronic ... RBC #Morphology #differential ... #diagnosis #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
kidney disease, ... (e.g. cancer, infection ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation