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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... reddish-purple lesions ... Vasculitis - Collagen disorders ... #dermatology #physicalexam
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
or fluid-filled lesions ... red-flags to exclude dermatologic ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential ... #Ddxof
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... reticularis Differential ... vasculitis #Dermatologic ... Polyangiitis #GPA #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... CAUSES OF NON-PALPABLE ... Vasculopathy #Purpura #Differential ... #nonpalpable #dermatology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Mucous Membrane Disorder ... Blisters - Primary Dermatologic ... syndrome White Lesions ... MucousMembranes #dermatology ... Diagnosis #Algorithm #causes
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... differential diagnosis ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Causes: 1) Exfoliative ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... Nikolsky #Algorithm #Differential ... #Ddxof
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... Multiforme - Target lesions ... Reactive #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash ... Vesiculobullous lesions ... #Diagnosis #Dermatology ... Bullous #Algorithm #Differential ... #Ddxof