UTI Flashcards
Asymptomatic bacteriuria in clean catch voided urine.
=>100,000 cfu/ml
Bacteriuria in a single catheterized urine specimen
=>100 cfu/ml
Indications for screening and treatment of asymptomatic bacteriuria.
Pts who will undergo genitourinary manipulation or instrumentation
All pregnant women
Antibiotics that can be used for ASB in pregnancy during the 1st trimester, except A. Co-trimoxazole B. Cephalexin C. Nitrofurantoin D. Fosfomycin
A. Avoid in 1st and 3rd trimester
Other meds: cephalexin, cefuroxime, fosfomycin, co-amoxiclav, nitrofurantoin
Screening and treatment for asymptomatic bacteriuria is not recommended for the following: A. DM patients B. Pts with indwelling catheters C. Solid organ transplant patients D. All of the above
D
Optimal screening test for asymptomatic bacteriuria
Screening by urine culture
In the absence of facilities for urine culture, two consecutive midstream urine samples can be used for asymptomatic bacteriuria with the ff positive results
Pyuria (>10 wbc/hpf)
Positive GS of unspun urine (>2microorg/oif)
Diagnosis of recurrent UTI?
A. 3 or more episodes of acute uncomplicated cystitis by urine culture with 12 months
B. 2 or more episodes in 6 months
C. 2 or more episodes of acute uncomplicated cystitis by urine culture with 12 months
D. A&B
D
Screening for urologic abnormalities is recommended in the ff, except?
A. Clinical impression of persistent infection
B. History of childhood UTI
C. Infection with non-urea splitting bacteria
D. Elevated serum creatinine
C
Significant bacteriuria in complicated UTI
=>100,000 cfu/ml
Treatment duration of complicated UTI
7-14 days
Empiric therapy for complicated UTI, except: A. Ofloxacin B. Gentamicin C. Ertapenem D. Clindamycin
D
Tests or procedures after completion of antibiotics for complicated UTI
A. Urine culture 1-2 weeks after antibiotics
B. Urine culture 3-4 weeks after antibiotics
C. KUB Ultrasound 1-2 weeks after antibiotics
D. KUB UTZ 3-4 weeks after antibiotics
A. Urine culture 1-2 weeks after antibiotics
All of the ff are true regarding UTI in DM pts, except A. Pre-treatment urine GS B. Pre-treatment urine culture C. Post-treatment urine culture D. 7-14 days of oral or IV antibiotics
B.
Diagnosis of CA-UTI
A. 1000 cfu/ml in a single catheter specimen
B. 10000 cfu/ml in men with condom catheter
C. Fever in a pt with an indwelling catheter removed within 72 hours
D. 10000 cfu/ml in a single catheter specimen
A. 1000 cfu/ml in a single catheter specimen
When should renal abscess be suspected in pts presenting with upper UTI?
A. DM presenting with hypotension and renal impairment
B. Remains febrile 24 hours after IV administration
C. DM presenting with hypertension and renal impairment
D. Remains febrile 48 hours after IV administration
A. Remains febrile 24 hours after IV administration
Cut-off size for percutaneous drainage of renal abscess
> 5cm
Antibiotic duration for renal abscess
4 weeks
Treatment of choice for multiloculated renal abscesses
Open drainage
Effective antibiotic prophylaxis for post-kidney transplant patients for UTI A. Oral TMP-SMX B. Oral Ciprofloxacin C. Fosfomycin D. Nitrofurantoin
A.
TMP-SMX 160/800 BID post-transplant, OD once catheter is removed or discharged x 6 months
Perioperative antibiotic prophylaxis in pts who will undergo an emergency urologic procedure A. IV amikacin one hour prior B. IV Ertapenem 6 hrs prior C. IV amikacin 6 hrs prior D. IV Meropenem one hr prior
A.
IV amikacin or ertapenem one hour prior
Which of the following is true on perioperative prophylaxis for UTI?
A. Amikacin 15mg/kg or ceftriaxone 2g IV single dose 1hrs prior
B. Transrectal/transperineal prostate biopsy: ciprofloxacin 500mg OD 12hrs prior procedure and 12hrs after 1st dose OR IV ciprofloxacin 400mg 1hr infusion 2hrs prior
C. Metronidazole 500mg IV 1hr prior if with bowel manipulation
D. All of the above
D
First line treatment for candiduria
Fluconazole 400mg LD, 200mg aOr x 7-14 days
