25 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... of Chronic Disease ... of Chronic Disease ... (>100 fL) • B12 ... #MCV #Classification
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
- Anemia of chronic ... of chronic kidney ... disease - Vitamin ... B12 and/or folate ... #diagnosis #differential
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Deficiency • B12 ... • Anemia of Chronic ... Disease • Marrow ... #Classification
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... Macrocytic RBC: Vitamin B12 ... myeloma Rouleaux: Chronic ... RBC #Morphology #differential ... #diagnosis #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
disease, Acute ... Megaloblastic: Vitamin B12 ... Alcohol use, Liver disease ... morphologic #mcv #differential ... diagnosis #causes #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... : • Acute or Chronic ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... deficiencies: Chronic ... kidney disease, ... Production #Index #hematology ... #anemia #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

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

Peripheral Smear concerning for malignancy?
hemolysis, deficiency anemia ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD, Celiac disease ... • Infections: Chronic
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Neurological 12% ... - Hemolytic anemia ... involvement 3% SLE-Related ... Lupusreference #SLE ... #rheumatology