11 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
disruption of vascular ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Algorithm #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Pinpoint areas (less ... Disruptions in vascular ... Vasculitis (lupus ... Algorithm #Causes #dermatology
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Ulcers of the Lower Legs ... • Radiation Vascular ... insufficiency • Vascular ... insufficiency • Vasculitis ... ulcerative #skinrash #dermatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Rash - Palpable ... Tip: To differentiate ... Palpable = vasculitis ... #Rash #clinical ... #photo #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
platelet disorders, vascular ... Etiology: • Vascular ... Disruptions in vascular ... Streptococcus pneumoniae Vascular ... #nonpalpable #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
, the differential ... petechial or purpuric rash ... far simpler and less ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
vesiculobullous rash ... is simpler and less ... #Diagnosis #Dermatology ... #Vesicular #Vesiculobullous ... #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... arthralgia, arm/leg ... pulse deficits vascular ... and bullous or vesicular ... , mucositis • Rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... and bullous or vesicular ... mucositis - Rash ... scleritis • Palpable ... Skin -> causing palpable
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Presents with diffuse palpable ... rash. ... Differential for ... diseases, collagen vascular ... Hand #skinrash #dermatology