13 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 ... dermatology #joint #pain ... 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 ... medication Febrile ... cryoglobulins • Skin
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 ... #Rash #Febrile ... #Diagnosis #Algorithm
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
When to suspect AIN ... triad (<10%): fever ... associated with AIN ... Interstitial #Nephritis #AIN ... #diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome Acute ... febrile neutrophilic ... malaise) - Muscle pain ... Inflammation and pain ... Leukocytoclastic vasculitis
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
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
with urticarial rash ... Rash: • Nonpruritic ... maculopapular skin ... extremities during febrile ... #rheumatology #management
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Fever >38.5 2. ... • SJS/TEN • Acute ... withdrawal • Mild ... #management
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Generalized itchy rash ... with rheumatic pain ... Pustules + Fever ... Acute generalized ... pustulosis • Febrile
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 ... Classification: • Acute ... Differential Diagnosis ... Arthritis: • Joint pain