23 results
Algorithm for Diagnosis of the Vesiculobullous Rash

Febrile, Diffuse Distribution:
 - Varicella,  Smallpox,  Disseminated, Gonococcal,
Fasciitis, Hand Foot ... & Mouth Disease ... Contact Dermatitis, Herpes ... Zoster, Dyshidrotic ... #Dermatology #Skin
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
disseminated gonococcal disease ... fasciitis and hand-foot-and-mouth ... disease present ... contact dermatitis, herpes ... zoster, dyshidrotic
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
20%) Varicella-zoster ... Mononucleosis-like disease ... virus 7 HHV-7 Fever ... #Microbiology #Diagnosis ... #Comparison #Table
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... B19, Varicella Zoster ... Coxsackie (hand, foot ... gonorrhea, Rickettsial diseases
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... gulf of Mexico Oyster ... Hippocrates in 5 BC as foot ... disease, iron overload ... legs #clinical #photo
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... ) ▪ Malaise, fever ... 30%) ▪ Moist, heaped ... #Diagnosis #Clinical ... #Photo #Dermatology
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
for Differential Diagnosis ... lymphomas, metastases, skin ... tularemia, typhoid fever ... cytomegalovirus, hepatitis, herpes ... zoster, human immunodeficiency
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... Herpes zoster 3 ... Herpes simplex ... Generalized itchy rash ... Pustules + Fever
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Eosinophilic Lung Diseases ... loss; CV, CNS, skin ... parasites; Travel hx, food ... #differential #diagnosis ... #comparison #table
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Legg-Calve-Perthes disease ... Epidural abscess - Herpes ... zoster - HIV ... - Lyme disease