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 …
Antibiotic Drug Interactions A with epilepsy managed with valproic acid is admitted to the with undifferentiated shock. He is started on empiric antibiotics. Three (3) days later he has a seizure. His valproic acid level is undetectable despite receiving inpatient doses What antibiotic was likely started? A. Ciprofloxacin B. TMP/SMX C. Meropenem D. Vancomycin How …