39 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... • 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
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
-14 days): • Fever ... maculopapular rash ... vomiting, abdominal pain ... #Diagnosis #Illness ... #Signs
Symptoms and signs of Leptospirosis
Acute phase:
 - Fever and headache
 - Conjunctival suffusion, jaundice, and photophobia
Symptoms and signs ... : - Fever and ... - Abdominal pain ... - Skin rash ( ... #diagnosis #phases
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
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Inflammation and pain ... Leukocytoclastic vasculitis
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
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... Dermatomyositis • Fever ... #dermatology #diagnosis