10 results
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
rigors, diarrhea, nausea ... Ddx? ... Ddx is very broad ... - BIDMC Infectious ... #clinical #photo
#tachenoir #eschar #fever #Rash #rickettsia #rickettsial #parkeri #akari #africae #conorii #orientia #tsutsugamushi #tick #mite 
By Dr.
eschar #fever #Rash ... febrilepodcast] #ID ... InfectiousDiseases #Infections ... #Microbiology # ... #Differential #Ddx
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
When considering infections ... C. canimorsus infection ... infection should ... Indiana University Infectious ... dermatology #clinical #photo
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Scarlatiniform rash ... croup • EBV - Infectious ... Primary acute HIV Infection ... #differential #causes ... #bacteria #microbiology
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
infection • ... • >50,000 HIV infections ... within 28 days of infection ... (28%) • Skin rash ... Opportunistic infections
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
Characteristic Rash ... risk factors for infection ... be involved DDX ... sexually transmitted infections ... Cutaneous bacterial infections
Capnocytophaga
GNR with long fusiform shape.  Fastidious facultative anaerobe that grows slowly and needs enriched agar
C.
Capnocytophaga GNR ... = most common cause ... shock with fever, rash ... #Infection #Diagnosis ... #Cats #Dogs #Microbiology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... most often seen DDX ... Indiana University Infectious ... type #clinical #photo
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
49M +burning rash ... for a recent ear infection ... MCQ highlights a case ... Washington University ID ... #clinical #photo
Summary of Monkeypox: Current Knowledge as of May 2022
 • What is Monkeypox?
 • Origins of
period (time from infection ... smallpox) - Rash ... - Case-fatality ... exposure risk • Infection ... infectiousdiseases #microbiology