41 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... • Rheumatic fever ... Sarcoidosis • Crohn's disease ... differential #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
the population Disease ... Autoimmune diseases ... Lymphoproliferative diseases ... Insect stings Disease ... #table
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
progress to severe disease ... develop severe disease ... -14 days): • Fever ... maculopapular rash ... meningitis • Weil's disease
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
stages of this disease ... Skin rash and malaise ... The signs and symptoms ... late stages of disease ... by other diseases
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Legg-Calve-Perthes disease ... Causes of Leg Pain ... - HIV - Lyme disease ... /swelling - Fever
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... called "Bazin's disease ... so-called fifth disease ... #table #differential ... #diagnosis #dermatology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Cardiopulmonary disease ... syndrome • Celiac disease ... Inflammatory bowel disease ... Adult Still's disease ... Necrotic bowel disease
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Eosinophilic Lung Diseases ... loss; CV, CNS, skin ... Eosinophilic #Lung #Diseases ... #differential #diagnosis ... #comparison #table
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... sudden onset of a rash ... - Rash: multiple ... Episcleritis Signs ... Causes: - Idiopathic
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... Dermatomyositis • Fever ... severity of the disease ... #dermatology #diagnosis