Biofilms is on chronic TPN and admitted to the with a MRSA bloodstream infection related to her IV line. After 4 days of vancomycin therapy, her blood culture is still positive. What is the MOST LIKELY reason? A. Biofilm on IV lineB. Vancomycin resistanceC. TPN inhibits vancomycin How did others respond? Reveal the answer Best …
Coagulase-Negative Staphylococcus Bacteremia 3 patients are admitted to the hospital with coagulase-negative Staphylococcus spp. growing from blood cultures Patient 1 – 1 of 2 sets growing S. epidermidis with erythema at the catheter insertion site Patient 2 – 1 of 2 sets growing S. lugdunensis with NO symptoms Patient 3 – 1 of 2 sets …
Group A Strep Testing A 2 year old presents to clinic with cough + sore throat + x 2 days. Her tonsils are red and swollen without exudate. The does NOT test for Group A Streptococcus. Is this appropriate? A. Yes, appropriateB. No, test for GASC. A peds question? HELP How did others respond? Reveal …
Aztreonam Spectrum of Activity A 45 year old is admitted to the with cough and a new infiltrate on chest X-ray She has a cephalosporin allergy and aztreonam is ordered Which possible pathogen does aztreonam NOT cover? Answer: A) H. influenzae B) M. catarrhalis C) S. pneumoniae D) P. aeruginosa How did others respond? Reveal the answer Best Answer S. pneumoniae Explanation: Aztreonam …
Antibiotic-Induced Confusion 82 year old with CKD is admitted to the 2/2 STEMI. She is intubated in the ICU and days later has a new fever Antibiotics are started to cover MRSA + Pseudomonas spp. 4 days later, she has new confusion. Which antibiotic is most likely causing ? A. Linezolid B. Vancomycin C. Cefepime …