10 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Red Flags: • Fever ... Vasculitis (lupus ... #Differential #Diagnosis ... Algorithm #Causes #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... Crohn's disease Palpable ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Photosensitivity, Butterfly rash ... Demyelinating syndromes ... ) Blood (75%): Anemia ... signs #symptoms #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... Kasabach-Merritt syndrome ... mountain spotted fever ... #dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Systemic lupus ... Petechial or purpuric rash ... SJIA], systemic lupus ... with leukopenia, anemia ... #Diagnosis #Management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... Differential Diagnosis ... lymphopenia, low PLT • Anemia ... to: Arthritis, Fever ... Erythematosus #Diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... - Lupus - Leukemia ... cutis Diagnosis ... #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... such as systemic lupus ... Vasculitis: • Fevers ... scleritis • Palpable ... Skin -> causing palpable
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... Vasculitis: • Fevers ... and branches • Fever ... , mucositis • Rash
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
Headache (45%) • Fever ... (28%) • Skin rash ... enzymes ↑ • Mild anemia ... test is capable ... #HIV #diagnosis