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Related Concept Videos

Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:

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Related Experiment Video

Updated: May 10, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Multidrug-resistant Tuberculosis.

John B Lynch1

  • 1Division of Allergy and Infectious Diseases, Department of Medicine, Harborview Medical Center, University of Washington, 325 9th Avenue, Box 359930, Seattle, WA, USA. jblynch@uw.edu

The Medical Clinics of North America
|July 2, 2013
PubMed
Summary
This summary is machine-generated.

Multidrug-resistant tuberculosis (MDR-TB) is a growing global threat due to improper treatment, leading to poor outcomes and diagnostic challenges. Urgent control efforts are needed to prevent tuberculosis from becoming untreatable.

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Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray
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Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray

Published on: April 25, 2014

Related Experiment Videos

Last Updated: May 10, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray
07:35

Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray

Published on: April 25, 2014

Area of Science:

  • Public Health
  • Infectious Diseases
  • Microbiology

Background:

  • Multidrug-resistant tuberculosis (MDR-TB) is a significant global health concern.
  • Inappropriate treatment practices have led to the rise of MDR-TB.
  • MDR-TB is associated with worse patient outcomes and treatment complexity.

Purpose of the Study:

  • To highlight the escalating threat of MDR-TB worldwide.
  • To underscore the challenges in diagnosing and treating MDR-TB.
  • To emphasize the urgent need for global control strategies.

Main Methods:

  • This study is a review and synthesis of current knowledge on MDR-TB.
  • It analyzes the factors contributing to the spread and difficulty in managing MDR-TB.
  • It discusses diagnostic and therapeutic barriers.

Main Results:

  • MDR-TB is becoming increasingly prevalent globally.
  • Diagnostic and economic barriers hinder detection of most MDR-TB cases.
  • Limited clinical experience exacerbates treatment challenges.

Conclusions:

  • MDR-TB poses a severe threat, potentially rendering tuberculosis untreatable.
  • Addressing technological and economic barriers is crucial for diagnosis.
  • Effective global strategies are urgently required to control MDR-TB.