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Related Concept Videos

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...
Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy01:16

Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy

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...
Cholecystitis01:20

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...

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Related Experiment Videos

Antimicrobial therapy for acute cholangitis: Tokyo Guidelines.

Atsushi Tanaka1, Tadahiro Takada, Yoshifumi Kawarada

  • 1Department of Medicine, Teikyo University School of Medicine, 2-11-1, Kaga, Itabashi-ku, Tokyo, 173-8605, Japan.

Journal of Hepato-Biliary-Pancreatic Surgery
|January 26, 2007
PubMed
Summary

Prompt administration of antimicrobial agents is crucial for suspected acute cholangitis. Tailor antimicrobial selection based on bacterial activity, disease severity, patient factors, and culture results for optimal treatment outcomes.

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Area of Science:

  • Infectious Diseases
  • Hepatology
  • Pharmacology

Background:

  • Acute cholangitis is a serious biliary tract infection requiring prompt management.
  • Antimicrobial therapy is a cornerstone of treatment, but optimal selection remains critical.

Purpose of the Study:

  • To outline key considerations for selecting appropriate antimicrobial agents in patients with suspected acute cholangitis.
  • To emphasize the importance of timely and effective antimicrobial administration.

Main Methods:

  • Review of current guidelines and clinical evidence regarding antimicrobial use in acute cholangitis.
  • Analysis of factors influencing antimicrobial selection, including bacterial spectrum, patient comorbidities, and previous treatments.

Main Results:

  • Early administration of broad-spectrum antimicrobial agents is recommended upon suspicion of acute cholangitis.
  • Selection criteria include antimicrobial activity against likely pathogens, cholangitis severity, renal/hepatic function, and patient's antimicrobial history.
  • Biliary penetration is a consideration, but activity against infecting organisms is paramount.

Conclusions:

  • Antimicrobial therapy should be initiated promptly in acute cholangitis.
  • Personalized antimicrobial selection, guided by clinical factors and culture data, improves patient outcomes.
  • De-escalation to narrower-spectrum agents is advised once causative organisms are identified.