22 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
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
- THE ALGORITHMIC ... redness of the skin ... staphylococcal scalded skin ... rash but without ... Rash #Algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: erythematous nodules ... Coronary arteries - Fever ... mucositis - Rash ... systemic lupus erythematosus ... : • Fevers
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... Erythrematous ... Herald's atch • Tinea
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... burning sensation or pain ... • Ulcerated, erythematous ... Differential Diagnosis ... #dermatology #rash
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
ID Approach to Fever ... and Rash - Diagnostic ... Algorithm Central ... Parvovirus B19 (PPGSS), Vasculitis ... #Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... 3rd Decade Skin ... Differential Diagnosis ... Arthritis: • Joint pain ... to: Arthritis, Fever
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 ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... lesions Abdominal pain
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... triad (<10%): fever ... , rash, eosinophilia ... microscopic hematuria, mild ... #diagnosis