44 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... infection Malar rash ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
patients < 50 yrs old ... : - Fever - ... skin lesions ... Pathophysiology #Diagnosis ... #Vasculitis
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... and Rash - Diagnostic ... Parvovirus 819 / EBV, Acute ... Parvovirus B19 (PPGSS), Vasculitis ... #Rash #Febrile
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome Acute ... sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Leukocytoclastic vasculitis
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach to Acute ... triad (<10%): fever ... , rash, eosinophilia ... microscopic hematuria, mild ... Algorithm #nephrology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Coronary arteries - Fever ... mucositis - Rash ... : • Fevers • ... purpura: strong sign
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... , vital sign instability ... - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised
Acute Schistosomiasis: Katayama Fever
 • Most common in travelers and children
 • "Swimmers Itch" in the
Acute Schistosomiasis ... or urticarial rash ... diarrhea, abdominal pain ... #diagnosis #clinical ... #photo
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... , Vasculitis, Purpura ... lesions Abdominal pain ... erythematosus #signs
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Infection - Vasculitis ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin