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Related Concept Videos

Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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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...
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Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
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Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

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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...
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Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...
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Urine Studies II: Urine Culture and Sensitivity Test01:26

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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...
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Quadruple-Checkerboard: A Modification of the Three-Dimensional Checkerboard for Studying Drug Combinations
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Appropriate Antibiotic Therapy.

Michael G Allison1, Emily L Heil2, Bryan D Hayes3

  • 1Critical Care Medicine, St. Agnes Hospital, 900 South Caton Avenue, Baltimore, MD 21229, USA.

Emergency Medicine Clinics of North America
|December 3, 2016
PubMed
Summary
This summary is machine-generated.

Early antibiotics are crucial for sepsis treatment, but optimal therapy requires balancing speed with patient-specific needs. Avoid routine combination antibiotics, especially vancomycin with piperacillin/tazobactam, due to increased risks like acute kidney injury.

Keywords:
Acute kidney injuryAntibioticsAntifungalsDosingObesityResistanceSepsis

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Area of Science:

  • Emergency Medicine
  • Infectious Diseases
  • Pharmacology

Background:

  • Sepsis management necessitates prompt antibiotic administration.
  • Balancing timely treatment with appropriate antimicrobial selection is critical.

Purpose of the Study:

  • To outline optimal antibiotic prescribing strategies for sepsis in emergency settings.
  • To highlight considerations for antibiotic breadth, timing, and combination therapy.

Main Methods:

  • Review of current guidelines and evidence regarding sepsis antibiotic therapy.
  • Analysis of risks and benefits associated with different antibiotic regimens.

Main Results:

  • Early antibiotic administration is key, but should not compromise patient-specific antimicrobial selection.
  • Blood cultures prior to antibiotics are recommended if feasible without significant delay.
  • Routine combination therapy for gram-negative infections is not advised.
  • Combination of vancomycin and piperacillin/tazobactam is linked to increased acute kidney injury.

Conclusions:

  • Emergency practitioners must tailor antibiotic therapy based on individual patient factors.
  • Judicious use of combination antibiotics and appropriate dosing are essential for effective sepsis care and minimizing adverse events.