5 Questions
What is the definition of sterile pyuria?
Presence of pus in the urine without infecting microorganism
What is considered clinically as a urinary tract infection (UTI)?
Pus cells greater than 10 in high power field
Which factor predisposes individuals to UTI?
Diabetes mellitus (DM)
What is the most common causative organism of UTI?
E. coli
What are the clinical presentations of lower UTI?
Dysuria and frequency
Study Notes
Urinary Tract Infection (UTI)
- Sterile pyuria is defined as the presence of white blood cells in the urine without any bacterial growth.
Clinical Definition of UTI
- Clinically, a urinary tract infection (UTI) is considered when a patient has ≥10^5 colony-forming units (CFU) of bacteria per milliliter of urine.
Predisposing Factors
- Factors that predispose individuals to UTI include obstructed urinary tract, neurogenic bladder, and presence of urinary catheters.
Causative Organisms
- The most common causative organism of UTI is Escherichia coli (E. coli), accounting for approximately 80-90% of cases.
Clinical Presentations of Lower UTI
- The clinical presentations of lower UTI include dysuria, urinary frequency, and suprapubic pain.
- additional symptoms may include hematuria, urgency, and incontinence.
Test your knowledge on Catheter Associated Urinary Tract Infections (CAUTI) with this quiz. Explore definitions of sterile pyuria and clinically diagnosed UTI, as well as predisposing factors for CAUTI. Stay updated with the latest information on reducing unnecessary urine cultures among hospitalized patients.
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