8 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Algorithm. ... vasculitis) or disorders ... Palpable: 1) If lesions ... #Differential # ... Ddxof
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Testing Algorithm ... causes are asthma, allergy ... symptoms (eg, skin ... #Algorithm #Differential ... #diagnosis #hematology
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
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Diagnosis Algorithm ... Scaly/Erythematous lesions ... anyone - Allergic ... Diagnosis #Algorithm
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
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Deep vesicles • Allergic ... site of previous injury ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin
Pathergy Summary Overview

What is pathergy?
Pathergy is an exaggerated skin injury occurring after minor trauma such as
injury occurring ... Myeloproliferative disorders ... #differential # ... allergy #immunology ... #dermatology #skin