Cidal vs Static

Cidal vs Static A is admitted to the ICU for community-acquired pneumonia . They have a history of MRSA and a vancomycin allergy. Should linezolid be avoided because it is bacteriostatic? A. YesB. No   How did others respond? Reveal the answer Best Answer No Explanation: Bacteriostatic and bactericidal are not clinically relevant terms and …

De-escalation is For Everyone

De-escalation is For Everyone An ICU patient is on day 3 of empiric antibiotics for pneumonia. The patient is improving and cultures are negative. Which of the following is a benefit from antimicrobial de-escalation? A. Lower AKI riskB. Higher mortalityC. Cost increases How did others respond? Reveal the answer Best Answer Lower AKI risk Antimicrobial …

Duration of Therapy in Uncomplicated CoNS CLABSI

Duration of Therapy in Uncomplicated CoNS CLABSI An inpatient is diagnosed with a CoNS CRBSI. Her central line is removed, she is clinically stable, and repeat blood cultures are obtained. She has no implanted prosthetic material, but many antibiotic allergies. The team would like to monitor repeat blood cultures off antibiotics. Is this appropriate? How …

Antibiotic Decision Making Moments

Antibiotic Decision Making Moments Antibiotic decision making ends after a diagnosis is made, cultures are obtained, and empiric antibiotics are started. True or False? How did others respond? Reveal the answer Best Answer: False Explanation: There are four moments of antibiotic decision making. After the first two of 1) making a diagnosis and 2) obtaining …

Antibiotic De-escalation in Culture Negative Pneumonia

Antibiotic De-escalation in Culture Negative Pneumonia is on cefepime, azithromycin, and vancomycin for community-acquired pneumonia . On day 3, 1500 mg azithromycin has been completed, the patient has improved , and a sputum culture shows normal respiratory flora. The antibiotics are deescalated to oral amoxicillin-clavulanate. Is this appropriate? How did others respond? Reveal the answer …

Cerebrospinal Fluid Analysis

Cerebrospinal Fluid Analysis A is started on empiric antibiotics for suspected bacterial meningitis. A lumbar puncture is performed and cerebrospinal fluid (CSF) analysis reveals 0 WBC, protein 45 mg/dL, and a CSF/plasma glucose ratio of 0.6. Additionally, no organisms are seen on Gram stain and a CSF PCR is negative. Antibiotics are de-escalated. Is this …

Imipenem-Resistant Morganella

Imipenem-Resistant Morganella is diagnosed with a hepatic abscess. Blood cultures reveal Morganella morganii resistant to imipenem but susceptible to ertapenem. Can ertapenem be used for outpatient parenteral antibiotic therapy? How did others respond? Reveal the answer Best Answer: Yes Explanation: Proteus, Morganella, and Providencia spp. are inherently less susceptible to imipenem through non-carbapenemase mechanisms. Cross-resistance …

Shiga Toxin-Producing E. coli

Shiga Toxin-Producing E. coli An otherwise healthy presents to the ED for dehydration from frequent . A GI panel is sent and the patient is discharged after receiving IV fluids. The GI panel returns positive with Shiga toxin-producing E. coli. What antibiotics should be prescribed? A. CiprofloxacinB. AzithromycinC. No antibiotics How did others respond? Reveal …