15 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
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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin ... #Algorithm #Causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
malaise) - Muscle pain ... Inflammation and pain ... Causes: - Idiopathic ... influenza-like illness ... 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
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
Biphasic Illness ... -14 days): • Fever ... maculopapular rash ... vomiting, abdominal pain ... Biphasic #Phases #Diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... tract: abdominal pain ... mucositis - Rash ... gut -> abdominal pain ... , testes -> pain
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... Herald's atch • Tinea ... #Algorithm #causes
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
- Differential Diagnosis ... Cramps: • Muscle pain ... fatigue Heat Rash ... blisters on the skin ... #causes #stroke
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... tract: Abdominal pain ... , mucositis • Rash ... tract, and often causes ... involvement, abdominal pain