110 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... under BCNIE, these bacteria ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... • Most common cause ... media • Important cause ... sinus • Sputum culture ... Pneumoniae #strep #microbiology
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Negative Blood Cultures ... therapy - Number one cause ... of culture negative ... have a fastidious bacteria ... this be a non-bacterial
Sputum culture from a patient with Strongyloides hyperinfection.  The larvae burrow through the agar tracking
Sputum culture from ... agar tracking bacteria ... clinical #sputum #culture ... #agar #microbiology
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Stool Cultures - ... to Order Stool Cultures ... Few infectious causes ... gastroenteritis are of bacterial ... positive stool culture
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... separate blood cultures ... but important causes ... factors: - Serology ... differential #workup #infectiousdiseases
Antibiotics - Spectrum and Coverage Antibiogram

#Antibiogram #Antibiotics #Classes #Bacterial #Spectrum #Coverage #Susceptibility #Susceptibilities #InfectiousDiseases #Pharmacology
#Antibiotics #Classes ... #Bacterial #Spectrum ... Susceptibilities #InfectiousDiseases
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Histoplasma) - Culture ... streptococci - Culture ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
involved in >50% of cases ... & often a +ve culture ... Microbiology: ... - Bacterial infection ... S.A. can also be caused
Infographic of common causes of acute otitis media and resistance mechanisms of these bacteria. 
Streptococcus pneumoniae
Haemophilus
Infographic of common causes ... mechanisms of these bacteria ... PenicillinBindingProtein #Resistance #microbiology