14 results
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... with variety of causes ... • Cause is unknown ... differential #diagnosis #dermatology
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... Reactive #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
Erythema Ab Igne ... skin reaction caused ... #Igne #AbIgne #PhysicalExam ... #video #skin #dermatology ... #rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... : • Palpable Rash ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Kussmaul's Sign on Physical Exam

What’s the diagnosis?
Severe biventeicular failure with + Kussmaul sign! NICM. No constriction!

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infarct, and other rarer ... causes of right-sided ... Kussmauls #Sign #physicalexam ... clinical #video #jvp #cardiology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Well-demarcated erythema ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
- Rash: multiple ... Causes: - Idiopathic ... gangrenosum - Erythema ... Cellulitis - Erythema ... Syndrome #diagnosis #dermatology
Manifestations of Anaphylaxis by Body System

Dermatologic/mucosal

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

 - Oral mucosa:
Body System Dermatologic ... periorbital swelling/erythema ... Skin: urticarial rash ... , morbilliform rash ... Gastrointestinal - Nausea
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... hyperkeratotic w/ erythema ... demarcation line of erythema ... #photo #foot #dermatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... to a coalescing erythema ... Edema in 70% of cases ... DRESS #Syndrome #dermatology