31 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
in vasculitic diseases ... disseminated gonococcal disease ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Skin Findings: • Petechiae ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... Clinical triad ... arthritis, Skin rash ... fraction < 20% Differential ... #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Summary • Epidemiology ... 40, F:M 9:1 • Clinical ... Manifestations: Malar rash ... Evolution: Chronic disease ... #Summary #rheumatology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
causes illness in summer ... chronic liver disease ... University Infectious Diseases ... #cellulitis #dermatology ... #legs #clinical
Lyme Disease - Diagnosis and Management Summary

Lyme Disease Epidemiology:
- Spirochete
- Reservoir: small mammals & birds
- Transmitted
and Management ... Summary Lyme ... Peak incidence: Summer ... Clinical Progression ... Rash: distinctive
Staphylococcus-associated GlomeruloNephritis - Diagnosis and Management Summary
CLINICAL
 • Nephritic syndrome (Casts)
 • Marked proteinuria (may be
Diagnosis and Management ... Summary CLINICAL ... • Vasculitic rash ... GlomeruloNephritis #nephrology ... #diagnosis #management
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... extremities Schamberg Disease ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Resolution > 15 days Differentials ... withdrawal • Mild disease ... DRESS #Syndrome #dermatology ... #diagnosis #management
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... based on repeat clinic ... Renal Parenchymal Diseases ... HTN #Secondary #Nephrology ... #Differential #