31 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... #Endocarditis #Bacteria ... #Pathogens #Diagnosis ... #Differential #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... under BCNIE, these bacteria ... #Endocarditis #InfectiousDiseases ... #Microbiology # ... CNIE #BCNIE #cardiology
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... Endocarditis #Sources #Causes ... #Bacteria #Etiology ... #Differential #Microbiology ... #Diagnosis #Pathogens
Asplenia and Infections - Important Pathogens:
 • Encapsulated bacteria: Strep pneumo, Neissera meningitidis, Capnocytophaga, H.flu, Bordetella
Infections - Important Pathogens ... • Encapsulated bacteria ... • Bloodborne pathogens ... febrilepodcast] #InfectiousDiseases ... Differential #Diagnosis #Microbiology
Septic Arthritis - Pathogens and Clinical Clues

Staphylococcus aureus 
Streptococcal spp. 
Neisseria gonorrhoeae 
Aerobic/Anaerobic 
Gram-negative bacteria 
Brucellosis
Septic Arthritis - Pathogens ... and Clinical Clues ... Anaerobic Gram-negative ... bacteria Brucellosis ... Septic #Arthritis #Pathogens
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
therapy - Number one cause ... of culture negative ... have a fastidious bacteria ... this be a non-bacterial ... pathogen?
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... • Most common cause ... media • Important cause ... Pneumoniae #strep #microbiology
Etiology of community acquired empyema determined by 16S rRNA sequencing. MRSA=meticillin resistant Staphylococcus aureus; MSSA=meticillin sensitive
al #Empyema #Pathogens ... #Microbiology # ... InfectiousDisease ... #Causes #Bacterial ... #Causes #Differential
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... differential #diagnosis #causes ... #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 ... #Differential #Microbiology ... #Causes #Agents