AHN 554 Unit 3 ID Study Guide With
Complete Solution
Most common presenting signs of meningitis
Fever, headache, nuchal rigidity
CSF analysis for bacterial meningitis
-Cloudy color
-Elevated WBC count
-Elevated protein concentration
-Decreased glucose concentration
-Positive Gram stain
-High opening pressure
Clinical manifestations of bacterial meningitis
fever, nuchal rigidity, photophobia, headache, positive brudzinski and
kernig's sign, confusion, skin rash, and changes in LOC
Management of bacterial meningitis
Blood and CSF cultures
Vancomycin and ceftriaxone
Greater than 50 years old add ampicillin and dexamethasone for first 4 days
Clinical manifestations for bacterial endocarditis
,Fever (may be low-grade in older adults)
New or change in heart murmur
Petechiae
Subungual splinter hemorrhages
Embolic phenomenon with peripheral manifestations
Ostler nodes, Janeway lesions, Roth spots
What are Ostler nodes
Painful raised lesions on the fingers and toes or feet
Associated with bacterial endocarditis
What are Janeway lesions
Small, painless, erythematous lesions on palm or sole
Associated with bacterial endocarditis
What are Roth spots and what are they associated with?
Exudative lesions in the retina associated with bacterial endocarditis
Most common agent of community-acquired pneumonia in adults
Strep pneumonia
Most common agent of community-acquired pneumonia in young adults
Mycoplasma pneumoniae
Empiric therapy for bacterial endocarditis
Vancomycin and ceftriaxone
, Antibiotic management of bacterial endocarditis with a native valve at
suspicion for MSSA?
Nafcillin or daptomycin
Antibiotic management of bacterial endocarditis with native valve at
suspicion for MRSA
Vancomycin
Antibiotic management of bacterial endocarditis with prosthetic valve and
suspicion for MSSA
Nafcillin, gentamicin, rifampin
Antibiotic management of bacterial endocarditis with prosthetic valve
insertion for MRSA
Vancomycin, gentamicin, rifampin
What is the empiric therapy for pneumonia caused by strep pneumoniae
Combo therapy with amoxicillin plus macrolide (azithromycin for 5 days)
Monotherapy with doxycycline or macrolide
Empiric therapy with comorbidities for strep pneumonia
Combo therapy: Augmentin plus a cephalosporin
Monotherapy with respiratory fluoroquinolone
Antibiotic therapy for inpatient non-severe strep pneumonia
Beta-lactam plus macrolide or respiratory fluoroquinolone
What coverage do you need to add for inpatient nonsevere strep pneumonia
Complete Solution
Most common presenting signs of meningitis
Fever, headache, nuchal rigidity
CSF analysis for bacterial meningitis
-Cloudy color
-Elevated WBC count
-Elevated protein concentration
-Decreased glucose concentration
-Positive Gram stain
-High opening pressure
Clinical manifestations of bacterial meningitis
fever, nuchal rigidity, photophobia, headache, positive brudzinski and
kernig's sign, confusion, skin rash, and changes in LOC
Management of bacterial meningitis
Blood and CSF cultures
Vancomycin and ceftriaxone
Greater than 50 years old add ampicillin and dexamethasone for first 4 days
Clinical manifestations for bacterial endocarditis
,Fever (may be low-grade in older adults)
New or change in heart murmur
Petechiae
Subungual splinter hemorrhages
Embolic phenomenon with peripheral manifestations
Ostler nodes, Janeway lesions, Roth spots
What are Ostler nodes
Painful raised lesions on the fingers and toes or feet
Associated with bacterial endocarditis
What are Janeway lesions
Small, painless, erythematous lesions on palm or sole
Associated with bacterial endocarditis
What are Roth spots and what are they associated with?
Exudative lesions in the retina associated with bacterial endocarditis
Most common agent of community-acquired pneumonia in adults
Strep pneumonia
Most common agent of community-acquired pneumonia in young adults
Mycoplasma pneumoniae
Empiric therapy for bacterial endocarditis
Vancomycin and ceftriaxone
, Antibiotic management of bacterial endocarditis with a native valve at
suspicion for MSSA?
Nafcillin or daptomycin
Antibiotic management of bacterial endocarditis with native valve at
suspicion for MRSA
Vancomycin
Antibiotic management of bacterial endocarditis with prosthetic valve and
suspicion for MSSA
Nafcillin, gentamicin, rifampin
Antibiotic management of bacterial endocarditis with prosthetic valve
insertion for MRSA
Vancomycin, gentamicin, rifampin
What is the empiric therapy for pneumonia caused by strep pneumoniae
Combo therapy with amoxicillin plus macrolide (azithromycin for 5 days)
Monotherapy with doxycycline or macrolide
Empiric therapy with comorbidities for strep pneumonia
Combo therapy: Augmentin plus a cephalosporin
Monotherapy with respiratory fluoroquinolone
Antibiotic therapy for inpatient non-severe strep pneumonia
Beta-lactam plus macrolide or respiratory fluoroquinolone
What coverage do you need to add for inpatient nonsevere strep pneumonia
