23 results
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... Zoster, Coxsackie (hand ... Meningococcal meningitis, Secondary ... #Rash #Differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... ) ▪ Malaise, fever ... the palms of the hands ... #Rash #Diagnosis
Drug Erruption: Extensive maculo-papular rash secondary to allergic reaction to Amoxicillin.
Chest and hand are shown above.

Charlie
maculo-papular rash ... secondary to allergic ... Chest and hand are ... Amoxicillin #Palms #Photo ... #UCSDH
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... syndrome (SSS) ... syndrome (TSS) ... erythematous rash ... #Erythematous #Rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Occurs on the arms ... Leukemia cutis Diagnosis ... #diagnosis #dermatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
sterile and are ... Irregular pustules on hands ... Generalized itchy rash ... Pustules + Fever ... Secondary syphilis
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... of arm present ... wane; diagnosis ... trauma leads to skin ... #hand
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... hemorrhage, which are ... in primary or secondary ... Red Flags: • Fever ... cryoglobulins • Skin
Cushing's Syndrome - Moon Facies, Buffalo Hump, Abdominal Striae, Thin Skin

A young man presents with rapid
Cushing's Syndrome ... Abdominal Striae, Thin Skin ... What findings are ... the patient's hand ... Next diagnostic
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... on the back of hands ... gyratum repens • A skin ... • Causes are multiple ... #differential #diagnosis