causative agents/vectors Flashcards
early infection in pacemaker infection
Staphylococcus aureus or epidermidis
major causes of lung abscess
Type 3 Streptococcus pneumoniae and S. aureus
rust colored sputum
S. pneumoniae
brown “currant” jelly sputum ; bulging fissure sign; associated with herpes labialis
K. pneumoniae
bilateral lower lobe infiltrates
P. aeruginosa
more prominent cause of pneumonia in the summer; can affect other organs
Legionella
most common cause of bacterial pneumonia in patients with HIV
S. pneumoniae
50% to 80% of all infectious diarrhea
Norovirus
most common cause of puerperal mastitis
Staphylococcus aureus
leading cause of viral meningitis worldwide
Enteroviruses
VP shunt infection predominant organism
Staphylococcus epidermidis
most common cause of meningitis in children with implants
S. pneumoniae
most common causative agent of Acute bacterial dacroadenitis
S. aureus
Herpangina
coxsackievirus A16 and human enterovirus 71
causative agent of severe form of hand-foot-and-mouth disease in Southeast Asia
Enterovirus 71
Erythema Infectiosum (Fifth disease)
human parvovirus B19
most common cause of UTI in children
E. coli
most common pathogens of Periorbital cellulitis
S. pneumoniae and Streptococcus pyogenes
Most common of Acute Otitis Externa (AOE)
Pseudomonas aeruginosa
Most common bacterial pathogens of Acute Otitis Media (AOM)
Streptococcus pneumoniae (23.6%), non-typeable Haemophilus influenzae (29.1%), Streptococcus pyogenes (3.7%), and Moraxella catarrhalis (2.8%)
most frequently cause of Viral conjunctivitis in childhood
adenovirus
Most commonly isolated pathogen obtained from culture at bronchoscopy in bacterial tracheitis
S. aureus
more common causative agent in those with underlying heart disease of infective endocarditis
Viridans streptococci
most common cause of diarrhea without vaccination
rotavirus
most common cause of diarrhea with vaccination
norovirus
most common organism reported on blood culture in sepsis
staphylococcus
single most common cause of endocarditis
staphylococcus
erysipelas is commonly caused by
B-hemolytic streptococci
Chancroid is commonly caused by
Haemophilus ducreyi
Lymphogranuloma venereum is caused by
C. trachomatis (L1, L2, and L3)
second most common cause of endocarditis which tends to be indolent
Streptococci
vector that transmits malaria a protozoan disease
Female Anopheles mosquito
most commonly involved bacteria in epidural abscess
S. aureus
most commonly cultured agent is, which accounts for nearly half of all shunt infections
Staphylococcus epidermidis
natural host of P. knowlesi
Macaques (old world monkeys)
dinoflagellate Gambierdiscus toxicus produces
Ciguatera Poisoning
vector of Lyme Disease
B. burgdorferi
principal vector of Babesiosis
Ixodes ticks
vector of human monocytic ehrlichiosis
Ehrlichia chaffeensis
vector of Ehrlichiosis, Southern Tick-Associated Rash Illness (STAR)
Lone star tick (Amblyomma americanum)
vector of Anaplasmosis
Black-legged tick (I. scapularis and I. pacificus)
causative agent of Colorado Tick Fever
RNA virus of the genus Coltivirus in the family Reoviridae
principal vector of Colorado Tick Fever
wood tick, D. andersoni
Francisella tularensis zoonotic vectors
Dermacentor species (wood tick, dog tick) and the Amblyomma species (lone star tick)
vector of relapsing fever
Ornithodoros ticks
principal vector of pulmonary plague (Yersinia Pestis)
Rodent Flea
the primary vector of Hantavirus
deer mouse (Peromyscus maniculatus)
diseases that cause severe headache and fever
malaria, ricketssial disease, dengue, typhoid, human African typanosomiasis
vector for dengue fever “break bone fever”
Aedes aegypti mosquito
vector for Japanese encephalitis flavivirus
Culex mosquito
definitive T. solium hosts
humans
transmits nematode, Onchocerca volvulus, causing onchocerciasis (River Blindness)
female black fly
