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Related Concept Videos

Ethical Issues01:27

Ethical Issues

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Nurses are essential in patient care, upholding the ethical principles of their profession and effectively navigating ethical dilemmas. Neglecting ethical issues can lead to inadequate patient care, compromised therapeutic relationships, and moral distress among healthcare workers.
Ethical Concerns in Healthcare:
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Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
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Specific Heat01:16

Specific Heat

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The specific heat capacity of a substance refers to the energy required to increase the temperature of one gram of that substance by one degree Celcius. Specific heat capacity is often represented in calories (cal), grams (g), and degrees Celsius (oC), but can also be expressed in joules (J), kilograms (kg), and Kelvin (K), among other units.
For example, increasing the temperature of one gram of water by 1°C requires one calorie of heat energy and can be written as 1 cal/g-°C, or...
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Infection01:20

Infection

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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Density, Specific Weight, Specific Gravity and Compressibility of Fluid01:27

Density, Specific Weight, Specific Gravity and Compressibility of Fluid

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Density, specific weight, specific gravity, and compressibility are fundamental properties of fluids. Density is the mass per unit volume, characterizing the mass of a fluid system. It influences buoyancy, pressure, flow dynamics, viscosity, thermal conductivity, and sound propagation. For instance, in pipeline design, accurate density measurements ensure that the pipeline can handle the fluid's mass.
Specific weight represents the weight per unit volume and is calculated by multiplying...
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Stages of Infection01:26

Stages of Infection

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Stages of infection describe what happens to a susceptible host once a pathogen invades the human body. The stages of infection are incubation, prodromal, illness, stage of decline, and convalescence. The incubation stage is the period from exposure to a pathogen until symptoms start. The infected person is unaware of impending illness as the pathogens grow and multiply within the body. The duration may vary depending on the type of infection. The incubation period of measles averages ten to...
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Updated: Feb 11, 2026

Development of a Larval Zebrafish Infection Model for Clostridioides difficile
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Development of a Larval Zebrafish Infection Model for Clostridioides difficile

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[Clostridium difficile infections, specific issues in the elderly].

Benedicta Ohanessian Castrillon1, Stephan Harbarth, Virginie Prendki

  • 1Département de Médecine Interne, Réhabilitation et Gériatrie, Hôpital des Trois-Chêne, HUG, Thônex. benedicta.castrillon@hcuge.ch

Revue Medicale Suisse
|December 7, 2013
PubMed
Summary
This summary is machine-generated.

Clostridium difficile infection (CDI) causes infectious diarrhea in adults, especially the elderly, and is linked to antibiotic use. Early diagnosis and hygiene are key to managing this growing public health concern.

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A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
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A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment
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Area of Science:

  • Infectious Diseases
  • Microbiology
  • Gastroenterology

Background:

  • Clostridium difficile is a leading cause of hospital-acquired diarrhea.
  • Antibiotic use significantly increases the risk and incidence of C. difficile infections.
  • The elderly population is particularly vulnerable to severe outcomes and high mortality rates.

Purpose of the Study:

  • To highlight the increasing incidence and severity of Clostridium difficile infections.
  • To emphasize diagnostic methods and treatment preferences for C. difficile colitis.
  • To underscore the importance of prevention strategies against C. difficile.

Main Methods:

  • Diagnosis relies on identifying C. difficile toxin in stool samples.
  • Clinical suspicion is raised in patients with diarrhea during antibiotic treatment.
  • Epidemiological surveillance tracks outbreaks and emerging virulent strains like PCR Ribotype 027.

Main Results:

  • C. difficile infection incidence is rising due to widespread antibiotic use.
  • High relapse rates and significant case-fatality rates are associated with C. difficile.
  • Emergence of epidemics and new virulent strains (e.g., PCR Ribotype 027) pose challenges.

Conclusions:

  • Vancomycin is recommended over metronidazole for severe C. difficile cases.
  • New therapeutic interventions are under investigation.
  • Strict hygiene and judicious antibiotic prescribing are critical for preventing C. difficile spread.