11 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... - History of bleeding ... epistaxis, gingival bleeding ... function test, ANA (e.g ... #Workup #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Differential Diagnosis Algorithm ... Leukemia - History of Bleeding ... Hodgkin's Lymphoma #Diffuse ... #Causes #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Rare • Drugs (e.g ... Coagulation #Bleeding ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Differential Diagnosis Algorithm ... 80-100 fL) • Bleeding ... Chronic Disease (e.g ... #Causes #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... evaluation or workup ... 1,500 cells/µL Workup ... signs or symptoms (eg ... Differential #diagnosis #hematology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... planopilaris Pattern ... HairLoss #Alopecia #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
mononeuritis multiplex WORKUP ... recent DAN) • EMG ... Goodpasture's cause ... to diffuse alveolar ... • IF staining patterns
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... : neuro, heme (bleeding ... Better call hematology ... you’ll do a good workup ... #workup #hematology
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... planopilaris Pattern ... HairLoss #Alopecia #dermatology ... #causes
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
Common features and patterns ... suggest vascular or hematologic ... Seen in systemic causes ... o Peripheral patterns ... Drug Reactions: Diffuse