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Related Concept Videos

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
Urinary Tract Infection IV: Nursing Management01:17

Urinary Tract Infection IV: Nursing Management

In managing urinary tract infections (UTIs) in nursing, a comprehensive assessment is essential. Begin by gathering subjective data, such as the patient’s complaints of dysuria (painful urination), urinary frequency, urgency, suprapubic pain, and any lower abdominal discomfort. This information can be complemented by questions regarding previous UTIs, sexual activity, and personal hygiene practices, which can provide insight into risk factors. Objective assessment should focus on signs like...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...

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Related Experiment Video

Updated: Jun 5, 2026

Establishment and Characterization of UTI and CAUTI in a Mouse Model
08:40

Establishment and Characterization of UTI and CAUTI in a Mouse Model

Published on: June 23, 2015

Treating urinary-tract infections: which antibiotic?

M Godwin

    Canadian Family Physician Medecin De Famille Canadien
    |January 26, 2011
    PubMed
    Summary

    For uncomplicated urinary-tract infections (UTI), trimethoprim-sulfamethoxazole is the most effective antibiotic when the culture results are unknown. Ampicillin showed limited value in treating UTIs based on sensitivity and cost analysis.

    Area of Science:

    • Infectious Diseases
    • Pharmacology
    • Family Medicine

    Background:

    • Family physicians frequently initiate antibiotic therapy for urinary-tract infections (UTIs) empirically, prior to receiving urine culture and sensitivity (C&S) data.
    • Selecting an appropriate antibiotic in the absence of definitive microbiological information is a common clinical challenge.

    Purpose of the Study:

    • To determine the most appropriate antibiotic for empirical treatment of UTIs in a rural setting, considering microbial sensitivity and antibiotic cost.
    • To evaluate the clinical utility of ampicillin for UTI treatment.

    Main Methods:

    • A retrospective review of patient charts from a rural Newfoundland clinic was conducted.
    • Analysis included urine culture and sensitivity reports, identifying common uropathogens and their antibiotic susceptibility patterns.

    More Related Videos

    Isolation of Single Intracellular Bacterial Communities Generated from a Murine Model of Urinary Tract Infection for Downstream Single-cell Analysis
    07:34

    Isolation of Single Intracellular Bacterial Communities Generated from a Murine Model of Urinary Tract Infection for Downstream Single-cell Analysis

    Published on: April 16, 2019

    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
    08:53

    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice

    Published on: December 4, 2020

    Related Experiment Videos

    Last Updated: Jun 5, 2026

    Establishment and Characterization of UTI and CAUTI in a Mouse Model
    08:40

    Establishment and Characterization of UTI and CAUTI in a Mouse Model

    Published on: June 23, 2015

    Isolation of Single Intracellular Bacterial Communities Generated from a Murine Model of Urinary Tract Infection for Downstream Single-cell Analysis
    07:34

    Isolation of Single Intracellular Bacterial Communities Generated from a Murine Model of Urinary Tract Infection for Downstream Single-cell Analysis

    Published on: April 16, 2019

    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
    08:53

    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice

    Published on: December 4, 2020

  • Antibiotic cost data was incorporated into the decision-making process.

    • Main Results:

    • The study identified specific uropathogens prevalent in the studied population and their resistance patterns to various antibiotics.
    • Ampicillin was found to have limited efficacy for treating UTIs in this cohort.
    • Trimethoprim-sulfamethoxazole demonstrated favorable sensitivity profiles and cost-effectiveness for empirical UTI treatment.

    Conclusions:

    • Trimethoprim-sulfamethoxazole is recommended as the most appropriate empirical antibiotic choice for UTIs when culture results are pending.
    • Empirical antibiotic selection for UTIs should consider local resistance patterns, antibiotic efficacy, and cost-effectiveness.
    • The utility of ampicillin for UTI management appears significantly limited.