7 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Algorithm. ... vasculitis) or disorders ... lesions are palpable ... #Algorithm #Differential ... #Ddxof
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... purple, hemorrhagic skin ... lesions that result ... #Diagnosis #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... reddish-purple lesions ... Vasculitis - Collagen disorders ... cryoglobulins • Skin ... #Diagnosis #Algorithm
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
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... sulfa-drug - Skin ... #Dermatology #Rash ... #Differential # ... Ddxof
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, palpable purpura ... response to local skin ... injury) • Neurologic ... Behcet disease) Differential ... signs #symptoms #rheumatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
larger and may be palpable ... following acute injury ... a generalized disorder ... nettle sting #Diagnosis ... #Dermatology #Skin