38 results
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... epidermal turnover rate ... accelerated mitotic rate ... #Dermatology #Rash ... Nikolsky #Algorithm #Differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... the latent and late ... lesions—Condyloma lata—on ... #Diagnosis #Clinical ... #Photo #Dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... palms/soles - Differential ... ChristmasTree #Rash ... Pityriasis #rosea #clinical ... #dermatology #photo
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Fulminans Skin Rash ... nausea. 2hrs later ... new full-body rash ... fulminans) and critical ... #clinical #photo
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Syndrome #PUBS #pathophysiology ... #clinical #photo ... #differential #
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Maculopapular rash ... • Common clinical ... CSF has a 99% sensitivity ... • Uveitis • Rash ... #diagnosis #neurology
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... should be based on clinical ... status, and focal neurologic ... CNS #Infections #differential ... InfectiousDiseases #Neurology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Neutrophil (Normal) Differential ... likelihood of negative clinical ... #Bandemia #differential ... CBC #hematology #pathophysiology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... based on repeat clinic ... • Bilateral RAS ... • Unilateral RAS ... #Differential #