30 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... vasculitic diseases secondary ... rash, the diagnosis ... #Diagnosis #Dermatology ... #Purpuric #Rash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
of primary or secondary ... Palpable: 1) If lesions ... #Rash #Petechiae ... #Algorithm #Differential ... #Ddxof
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... #photo #PhysicalExam
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
or fluid-filled lesions ... Ill-appearing, vital sign ... sulfa-drug - Skin ... #Differential # ... Ddxof
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... and gangrene Skin
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Vesiculobullous lesions ... proteins in the skin ... #Diagnosis #Dermatology ... #Differential # ... Ddxof
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... cm diameter - Purpura ... discolorations of skin ... Vasculitis #SkinRash #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... lesions • Discoid ... #joint #pain #skin
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... red nodules on shins ... Multiforme - Target lesions ... Reactive #SkinRash #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... in primary or secondary ... cryoglobulins • Skin ... #Causes #dermatology