19 results
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
intracellular bacteria ... shaking chills • Rash ... is rare (< 10% cases ... ), cough (30% cases ... Infection #diagnosis #microbiology
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngitis - IDSA Bacterial ... Scarlatiniform rash ... #differential #causes ... #bacteria #microbiology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
via droplets, bacterial ... & hemorrhagic rash ... Vesicular & pruritic rash ... pneumoniae -> Bacterial ... , meningitis & bacteremia
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... : • Palpable Rash ... • Non-Palpable Rash ... : • Palpable Rash ... • Non-Palpable Rash
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... marine microbiota & causes ... , hypotension, rash ... which renders bacteria ... skin #infection #rash
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Treponema pallidum bacterial ... Skin rash and malaise ... ▪ “Rash” (75% ... resembling rashes caused
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Encephalitis and Bacterial ... Photophobia • Nausea ... Maculopapular rash ... , photophobia, nausea ... • Uveitis • 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 ... Causes: - Idiopathic ... Acral erythema - Bacterial
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis - Rash ... present in 80% of cases ... Secondary #Syphilis #Rash ... #dermatology #physicalexam
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
) and pustular rash ... revealing non-bacterial ... - Rash improvement ... The rash can be ... Typically, the rash