24 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

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

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Syndrome Acute febrile ... malaise) - Muscle pain ... Inflammation and pain ... Causes: - Idiopathic ... Leukocytoclastic vasculitis
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
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
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
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
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
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... (cutaneous or systemic ... of necrotizing vasculitis ... multiforme • Acute systemic ... #differential #diagnosis
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Still's Disease Systemic ... with urticarial rash ... Rash: • Nonpruritic ... maculopapular skin ... extremities during febrile