34 results
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Diagnosis Algorithm ... Disease (e.g. ... #Anemia #MCV #Classification ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... Diagnosis Secondary ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... leakage of RBC's secondary ... #Diagnosis #hematology ... #rheumatology #
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Diagnosis Algorithm ... Rare • Drugs (e.g ... • Steroids • Vasculitis ... #Causes #Hematology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Diagnosis Framework ... arteritis, Cogan's Syndrome ... Arthritis (RA), Systemic ... Aortitis: • Most common ... #Diagnosis #rheumatology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Asthma Tugs (vasculitis ... Lymphomas - Systemic ... - Chronic Eosinophilic ... #Diagnosis #Causes ... #hematology
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
to Systemic Diseases ... #Secondary #dermatology ... #Differential # ... Diagnosis #Algorithm ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Diagnosis: Systemic ... differential #diagnosis ... #rheumatology # ... classification
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Diagnosis Algorithm ... Causes: Chronic ... 18% • Anemia Secondary ... HgbE, HgbC, etc. ... #Causes #Hematology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Diagnosis Framework ... into a 4-pass system ... 2nd pass = Chronic ... cell activation syndrome ... #Diagnosis #hematology