10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... Dermatomyositis Erythema chronicum ... • Rheumatic fever ... gangrenosum • IBD ... differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Algorithm Pinpoint ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin ... biopsy • Abdominal
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Chronic Abdominal ... Red Flags: • Fever ... the patient • Blood ... • Skin changes ... Chronic abdominal
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... instability - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised ... #Differential #Ddxof
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... - GI tract: abdominal ... mucositis - Rash ... : • Fevers • ... Large Vessel: Blood
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 ... valve lesions Abdominal ... pain (20%) Renal
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... pain • HTN • ... , mucositis • Rash ... Eosinophilia, asthma, chronic ... gut involvement, abdominal
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Inflammation and pain ... Leukocytoclastic vasculitis ... neutrophils in the blood
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 ... with Lupus: • Chronic
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
such as small blood ... inflammation (vasculitis ... o Pain or burning ... (e.g., scarlet fever ... Fungal Infections (Tinea