Exam review Flashcards
Acute sinusitis MC
Streptococcus pneumoniae - M/C
Haemophilus influenzae
Moraxella catarrhalis
Staphylococcus aureus
Most acute sinusitis in adults is initially viral in nature!
Acute otitis externa MC
Acute Otitis Externa
Pseudomonas - MC
S. epidermidis
S. aureus
Pharyngitis MC
Streptococcus pyogenes (Group A beta-hemolytic Streptococcus - GABHS)
Viral
CAP - adult
Adult
Streptococcus pneumoniae - MC
Haemophilus influenzae
CAP YA
Young Adult
Mycoplasma pneumoniae
Streptococcus pneumoniae
Chlamydia pneumophila
Children CAP
Children
Streptococcus pneumoniae - MC
Mycoplasma pneumoniae
Chlamydia pneumophila
Viruses account for 14-40% of pneumonia in children (more common if < 5y/o)
COPD MC lower resp infection
Streptococcus pneumoniae
Haemophilus influenzae
Mixed pathogens
lower respiratory tract infections alcoholics MC
Streptococcus pneumoniae
Klebsiella
Travel outbreaks/confined spaces (conference centers, cruise ships)
Legionella pneumophila¹
Community Acquired
Acute Uncomplicated Cystitis
E. coli - MC
Proteus
Staphylococcus
Enterococcus
Community Acquired
Acute Pyelonephritis/Complicated UTI
E. coli
Proteus
Staphylococcus
Enterococcus
non purulent skin infections MC
Staphylococcus aureus
MRSA
Streptococcus pyogenes (GABHS)
Gram negative rods
Pseudomonas
Anaerobes (Clostridia)
GI infections MC
NOTE: Most are viral
Bacterial agents
E. coli
Salmonella
Shigella
Campylobacter
Clostridium difficile
Can also be caused by parasites
Purulent skin infections
Staphylococcus aureus (75%)
MRSA (75%)
Pseudomonas
community acquired meningitis
Viral is most common cause
Streptococcus pneumoniae
Neisseria meningitidis
Listeria monocytogenes
increased risk <3 months and > 55 years old
