22 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Autoimmune Vasculitis (lupus ... : • Complete blood ... • Fecal occult blood ... #dermatology #physicalexam
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... Manifestations: Malar rash ... Positive in 60-80% of cases ... Evolution: Chronic disease ... #Summary #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... vasculitis (inflamed blood ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... chronic liver disease ... immunosuppressive meds ... University Infectious Diseases ... #cellulitis #dermatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... Usual therapeutic management ... Evolution: Chronic disease ... #diagnosis #management
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Cerebrovascular Disease ... autoantibodies that will cause ... thrombosis and/or blood-brain ... CNS #neurology #rheumatology ... cerebritis #diagnosis #management
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... early localized disease ... called "Bazin's disease ... so-called fifth disease ... differential #diagnosis #dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Systemic lupus ... Petechial or purpuric rash ... SJIA], systemic lupus ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Edema in 70% of cases ... withdrawal • Mild disease ... DRESS #Syndrome #dermatology ... #diagnosis #management
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
Diagnosis and Management ... screening for disease ... normal in mild cases ... Avoid meds that ... #treatment #hematology