8 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
skin condition ... Rash is usually ... • Rash of Lyme ... gyratum repens • A skin ... • A chronic skin
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
igne (EAI) is a skin ... reaction caused ... by chronic heat ... PhysicalExam #clinical #video ... #rash
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

 - Eyes: periorbital swelling/erythema, injected conjunctiva, tears

 - Oral mucosa:
Manifestations of Anaphylaxis ... periorbital swelling/erythema ... tongue and lips - Skin ... : urticarial rash ... , morbilliform rash
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... lichenification (chronic ... Well-demarcated erythema ... Diagnosis #Algorithm #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
on sun-damaged skin ... honey-colored crusts ... macerated areas with satellite ... Acrochordons (skin ... #dermatology #rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Tinea Pedis 70 M chronic ... Over the years: rash ... dermatophytes cause ... Moccasin tinea pedis skin ... hyperkeratotic w/ erythema
Illustrative example of a patient with acrodermatitis chronica atrophicans. 

Acrodermatitis chronica atrophicans is a late skin
acrodermatitis chronica ... atrophicans is a late skin ... of a preceding erythema ... Lyme Borrelia may cause ... #Dermatology #Rash
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
skin conditions ... Seen in systemic causes ... disease, or bullous skin ... disease. 6 Causes ... #erythema