Podcast
Questions and Answers
What CFU/ml level indicates significant bacteriuria in adults with a complicated UTI?
What CFU/ml level indicates significant bacteriuria in adults with a complicated UTI?
- ≥ 103 CFU/ml
- ≥ 102 CFU/ml
- ≥ 105 CFU/ml (correct)
- ≥ 104 CFU/ml
Which method of urine collection requires a lower CFU/ml threshold for contamination in adults?
Which method of urine collection requires a lower CFU/ml threshold for contamination in adults?
- Suprapubic bladder puncture
- Midstream sample
- Cather-collected urine
- Invasive methods (correct)
What is the CFU/ml threshold for a catheter-collected urine sample indicating a UTI without symptoms in adults?
What is the CFU/ml threshold for a catheter-collected urine sample indicating a UTI without symptoms in adults?
- ≥ 106 CFU/ml
- ≥ 105 CFU/ml (correct)
- ≥ 104 CFU/ml
- ≥ 103 CFU/ml
In children aged 2-24 months, what additional condition is required for a midstream urine sample to indicate significant bacteriuria?
In children aged 2-24 months, what additional condition is required for a midstream urine sample to indicate significant bacteriuria?
What is the significant bacteriuria threshold for lower UTIs with symptoms in men and women?
What is the significant bacteriuria threshold for lower UTIs with symptoms in men and women?
Flashcards
Contamination of urine sample (non-invasive methods)
Contamination of urine sample (non-invasive methods)
Less than 103 colony-forming units (CFU) per milliliter of urine.
Contamination of urine sample (invasive methods)
Contamination of urine sample (invasive methods)
Less than 102 colony-forming units (CFU) per milliliter of urine.
Significant bacteriuria (complicated UTIs)
Significant bacteriuria (complicated UTIs)
Greater than or equal to 105 CFU/ml urine for complicated UTIs in adults.
Significant bacteriuria (upper UTIs)
Significant bacteriuria (upper UTIs)
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Significant bacteriuria (lower UTIs)
Significant bacteriuria (lower UTIs)
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Study Notes
Urine Culture - Contamination
- Non-invasive specimen collection: Less than 103 CFU/ml
- Invasive specimen collection: Less than 102 CFU/ml
Urine Culture - Significant Bacteriuria (Adults)
- Midstream Urine:
- Complicated UTI: Greater than or equal to 105 CFU/ml
- Recurrent UTI (women): Greater than or equal to 105 CFU/ml
- Upper UTI with symptoms (no complications): Greater than or equal to 104 CFU/ml
- Lower UTI with symptoms (men and women): Greater than or equal to 103 CFU/ml
Urine Culture - Significant Bacteriuria (Catheter-Collected Urine - Adults)
- UTI with symptoms: Greater than or equal to 103 CFU/ml
- UTI without symptoms: Greater than or equal to 105 CFU/ml
Urine Culture - Significant Bacteriuria (Children)
- Catheter or suprapubic bladder puncture: Greater than or equal to 5 x 104 CFU/ml
- Catheter or suprapubic bladder puncture AND pyuria in children 2-24 months old: Greater than or equal to 5 x 104 CFU/ml
- Midstream sample AND symptoms of UTI: Greater than or equal to 105 CFU/ml
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Description
Test your knowledge on urine culture and the criteria for significant bacteriuria in adults and children. This quiz covers the contamination levels and thresholds for diagnosing UTIs based on specimen collection methods. Prepare to delve into the specifics of midstream and catheter-collected urine samples.
