13 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Lesions == Macules ... • Varicella zoster ... Pruritus #primary #secondary ... #generalized #dermatology
Pruritus - Primary Skin Lesion - Differential Diagnosis Algorithm
Macules / Papules / Plaques:
 • Xerosis (dry
Pruritus - Primary Skin ... Lesion - Differential ... Diagnosis Algorithm ... • Varicella zoster ... Pruritus #primary #dermatology
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
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
of primary or secondary ... Palpable: 1) If lesions ... #Diagnosis #Dermatology ... #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
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
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... central clearing • Secondary ... Papulosquamous #SkinRash #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

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

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... Herpes zoster 3 ... Secondary syphilis ... #Lesions #Differential ... #Diagnosis #Dermatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Scaly/Erythematous lesions ... Secondary to venous ... Eczematous #SkinRash #dermatology