22 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Rash • Human ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... of necrotizing vasculitis ... gyratum repens • A skin ... induratum • A chronic skin ... #differential #diagnosis
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
thrombocytopenic conditions ... petechiae/purpura with fever ... petechiae/purpura with fever ... petechial or purpuric rash ... Purpural #Purpuric #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
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
condition characterized ... autoinflammatory conditions ... sudden onset of a rash ... - Rash: multiple ... Leukocytoclastic vasculitis
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
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
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... instability - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Coronary arteries - Fever ... mucositis - Rash ... : • Fevers • ... , testes -> pain
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
) 55 year old ... now abdominal pain ... , joint pain involving ... #clinical #photo ... #dermatology #skin