36 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... ) - Culture negative ... #Infective #Endocarditis ... #Bacteria #Pathogens ... #Differential #InfectiousDiseases
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Differential #Microbiology ... #Diagnosis #Pathogens
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... infective endocarditis ... #Endocarditis # ... InfectiousDiseases ... #Microbiology #
Asplenia and Infections - Important Pathogens:
 • Encapsulated bacteria: Strep pneumo, Neissera meningitidis, Capnocytophaga, H.flu, Bordetella
Infections - Important Pathogens ... • Bloodborne pathogens ... febrilepodcast] #InfectiousDiseases ... Differential #Diagnosis #Microbiology
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... cause infective endocarditis ... less than 3% of endocarditis ... More commonly endocarditis ... #Diagnosis #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... cause of culture negative ... non-bacterial pathogen ... #Infective #Endocarditis
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
Capnocytophaga Pathogen ... infections • Gram-negative ... 13%), Pneumonia, Endocarditis ... Capnocytophaga #canimorsus #microbiology ... #zoonotic #infectiousdiseases
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
Psittacosis Pathogen ... intracellular gram negative ... Chlamydia #psittaci #microbiology ... management #treatment #infectiousdiseases
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... review of the pathogens ... strep - Gram-negatives ... @ID_agram #Pathogens ... #Differential #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... peritonitis, and endocarditis ... Meningitis 10-14 days, Endocarditis ... Pneumoniae #strep #microbiology