Infectious Disease Flashcards
Rule of 7’s for Lyme meningitis
Headache duration <7 days
<70% monocytes in CSF
No 7th CN palsy
WNV meningitis presentation
Acute flaccid paralysis; possibly persists after resolution of infection
Mycobacterial tuberculosis meningitis presentation
Basilar meningitis w/ cranial neuropathies (particularly of CN VI), mental status changes, and SIADH
Treatment of brain abscess caused by bacterial endocarditis
Vanc + gent
MRI w/ vCJD
“Hockey stick sign” = Posterior thalamus abnormality
Empiric therapy of mild ersipelas/ellulitis infection
Mild: Penicillin, amoxicillin, keflex, clinda
Test for osteomyelitis if you cannot get an MRI or CT w/ contrast
Labeled leukocyte scan combined w/ a radionucleide bone scan
Tx for staphylococcal toxic shock syndrome
Nafcillin + Clindamycin
Tx for streptococcal toxic shock syndrome
Penicillin + Clindamycin
GN cocci in sputum in patient who was just at political event
Bubonic plague (Yersina perstis); Treat w/ streptomycin or gentamicin ASAP
Nontreponemal tests
RPR and VDRL
Advantages; These tests will be negative following successful treatment of primary syphilis
-FTA-B, EIA, and other treponemal tests remain positive for life
Patients more susceptible to Vibrio
Chronic liver disease patients
Initial evaluation testing for HIV patients
Viral resistance testing Viral load CD4 count CBC, CMP, UA (proteinuria) Lipid profile TST, IGRA Hepatitis panel RPR, HSV PCR Tox testing Cervical pap smear
Antiretroviral to use in patients w/ increased risk for bone/nephrotoxicity
Tenofovir alafenamide
Ceftolazone-tazobactam
Antipseudomonal cephalasporin w/ b-lactamase inhibitors; inhibits cell wall synthesis
Used for complicated UTIs and active against many GNs and multi-drug resistant Pseudomonas; including those w/ carbapenem resistance
Ceftaroline
Inhibits cell wall synthesis; used for CAP
Dalbavancin
IV medication used once weekly for gram positives including MRSA
Televancin
IV once weekly medication for complicated MRSA skin infections
Medicine used to treat MRSA and VRE UTIs
Fosfomycin
Minocycline
Used for VAP; also used for resistant Acinetobacter and Stenotrophomonas maltophilia strains
Thromboprophylaxis in patient’s w/ Staph or Candidal bacteremia
SCDs
***NO ANTICOAGULATION; THESE PATIENTS ARE AT RISK FOR CEREBRAL EMOBLI AND INFARCTION WHICH CAN CONVERT TO HEMORRHAGIC WITH ANTICOAGULATION
What to do after incision part of I and D
Use hemostat or probe to insert into lesion and break up loculations
Make sure to make incision deep enough!
Patient with shingles and needs precautions
Actually you can just cover the lesion as long as you are not worried about him being immunocompromised
