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Related Concept Videos

Brain Abscess l: Introduction01:26

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A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

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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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Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
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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...
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Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
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Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...
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Polymicrobial ventriculitis involving Pseudomonas fulva.

Paulina A Rebolledo1, Catphuong Cathy L Vu2, Renee Donahue Carlson3

  • 1Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia, USA Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.

Journal of Clinical Microbiology
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Summary
This summary is machine-generated.

Pseudomonas fulva infections are an emerging concern. This case highlights successful treatment of ventriculitis caused by this rare pathogen with levofloxacin after initial misidentification.

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Area of Science:

  • Infectious Diseases
  • Clinical Microbiology

Background:

  • Pseudomonas fulva is an emerging opportunistic pathogen.
  • Ventriculitis is a serious central nervous system infection.

Observation:

  • A case of ventriculitis occurred after external ventricular drain placement.
  • The infection involved both Enterobacter cloacae and Pseudomonas fulva.

Findings:

  • Pseudomonas fulva was initially misidentified as Pseudomonas putida, a common issue.
  • Levofloxacin effectively treated the ventriculitis caused by Pseudomonas fulva.

Implications:

  • Accurate identification of Pseudomonas fulva is crucial for appropriate treatment.
  • Levofloxacin is a potential therapeutic option for Pseudomonas fulva infections.
  • Vigilance is needed for emerging pathogens in neurosurgical infections.