13 results
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... purpura fulminans secondary ... - BIDMC Infectious ... Purpura #Fulminans #Skin ... #photo
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... colonize human skin ... difficult to culture and ... #Canimorsus #Skin ... #clinical #photo
Staphylococcal Scalded Skin Syndrome (SSSS)

A 5-year-old girl presents to the ED with a rash that started
Staphylococcal Scalded Skin ... Syndrome (SSSS) ... the ED with a rash ... upper respiratory infection ... #Clinical #Photo
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... treatment, the infection ... ▪ “Rash” (75% ... #Clinical #Photo
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
• Loose anagen syndrome ... • Tinea capitis ... decalvans - Secondary ... to Skin Disease ... Shafts • Tinea
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- Rash, pink ... rashes, including tinea-mimicker ... nephrotic syndrome ... to asymptomatic infection ... granuIomas on skin
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... skin of inflamed ... pitted keratolysis; and ... Indiana University Infectious ... type #clinical #photo
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Irregular pustules on hands ... Generalized itchy rash ... SAPHO syndrome ( ... Secondary syphilis ... Sweet syndrome
ID Approach to Fever and Rash - Diagnostic Algorithm
Central Maculopapular (most common):
Measles, Parvovirus 819 / EBV,
Approach to Fever and ... Parvovirus B19 (PPGSS), Secondary ... syphilis, EM (HSV ... , Mycoplasma), Infective ... angiomatosis, Sweet syndrome
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
arthritis - (Reiter’s syndrome ... within 1 month of infection ... arthritis - with the skin ... inflammation is secondary ... like “butterfly rash