29 results
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
) - Vasculitis Management ... Algorithm - ACR ... immunosuppressive agent (e.g ... #Management #Treatment ... #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... • Inflammatory Conditions ... Rheumatologic, Vasculitides ... Matthew Ho, MD PhD ... #Algorithm #hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Hypersensitivity vasculitis ... Schönlein purpura • PAN ... Antiphospholipid-antibody syndrome • Vasculitis ... #differential #diagnosis
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Algorithm Decreased ... HUS • DIC • Vasculitis ... • Infection ... #Hematology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
(5%): PAN > GPA ... (3%) • Infections ... #dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential Diagnosis ... Algorithm Red ... sight-threatening conditions ... lesion • CNS infection ... Matthew Ho, MD PhD
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
- Differential Diagnosis ... Algorithm Signs ... Hypersplenism, Infection ... Matthew Ho, MD PhD ... #Algorithm #hematology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
- Differential Diagnosis ... Algorithm Cervical ... (e.g. ... Lymphadenopathy #LAD ... #Hematology #Oncology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... A chronic skin condition ... of necrotizing vasculitis ... #differential #diagnosis ... #dermatology #compared
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Purpuric Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... inflammation or infection ... thrombocytopenic conditions ... #Diagnosis #Dermatology