34 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... K), H. pylori test ... thyroid function test ... changes), high MCV anemia ... #Workup #hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin ... Disease: Discoid ... of any comorbid disease ... • Pull test ... Differential #Diagnosis #dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
• Rheumatic disorders ... • Celiac disease ... following EtOH induced thrombocytopenia ... Iron deficiency anemia ... #Causes #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Thrombocytopenia ... Sequestration Disordered ... #Causes #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... inflammation • Thrombocytopenia ... : - Thrombocytopenia ... - Hemolytic anemia ... #nonpalpable #dermatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Small Bowel Disorder ... Liver Function Tests ... Liver Function Tests ... #Causes #Hematology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... - Secondary to Skin ... Disease • ... #dermatology #Differential ... #causes
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... Liver Function Tests ... renal failure/uremia ... #generalized #dermatology ... #causes
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... Disease • Marrow ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Schistocytes, thrombocytopenia ... Consider RBC membrane disorder ... #workup #hematology