23 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Diagnosis Framework ... #skin #dermatology ... #rheumatology # ... differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
manifest on the face, upper ... reticularis Differential ... Diagnosis: Vasculitis ... #rash #diagnosis ... #rheumatology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Deficiency Anemia - Differential ... Diagnosis Algorithm ... • Blood loss: GI ... #Diagnosis #Algorithm ... #ferritin #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation of the upper ... neuropathy - GI ... in extremities, upper ... differential #diagnosis ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... Inflammatory Conditions: Rheumatologic ... , Vasculitides, ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... purple, hemorrhagic skin ... #Diagnosis #hematology ... #rheumatology #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Diagnosis Framework ... Kaposi's sarcoma • Rheumatologic ... Autoimmune: ANCA-Assoc vasculitis ... Bevacizumab Mimics: • GI ... bleed: esophageal
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
evaluation or workup ... 1,500 cells/µL Workup ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... mononeuritis multiplex • GI ... inflammation of the upper ... Diagnosis #Rheumatology