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Related Concept Videos

Infection01:20

Infection

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...
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic01:26

Healthcare Associated Infections I: Iatrogenic, Exogenic and Endogenic

Healthcare-associated infections (HAIs) occur in a healthcare facility while a person receives care for another ailment. This category also includes work-related infections among healthcare staff.
HAIs significantly increase the cost of health care. Extended stays in healthcare institutions, increased disability, increased costs of medications, including specialized antibiotics, and prolonged recovery times add to the patient's expenses and the healthcare institution and funding bodies. Common...
Reservoir of Infection01:30

Reservoir of Infection

Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Endocarditis I: Introduction01:25

Endocarditis I: Introduction

Introduction:Endocarditis is the infection of the endocardium, the inner lining of the heart and its valves. When the heart muscle is involved, the condition is termed myocarditis, while an infection of the outer lining is called pericarditis. Infective endocarditis (IE) primarily affects the endocardium, where pathogens adhere to the valves or lining, forming vegetation that can lead to severe complications. Infective endocarditis occurs when microorganisms, usually bacteria from other body...
Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...

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Related Experiment Video

Updated: May 24, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases
03:22

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Published on: March 1, 2024

Infectious diseases on a general internal medicine clinical teaching unit.

L Nicolle1, J Uhanova, P Orr

  • 1Sections of Infectious Diseases and.

The Canadian Journal of Infectious Diseases = Journal Canadien Des Maladies Infectieuses
|February 21, 2012
PubMed
Summary

Patients admitted to general internal medicine units with infections receive more interventions and incur higher costs, primarily due to antimicrobial therapy. However, these patients do not experience worse outcomes regarding mortality or length of stay.

Keywords:
Antimicrobial useClinical teaching unitsInfectionsInternal medicine

Related Experiment Videos

Last Updated: May 24, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases
03:22

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Published on: March 1, 2024

Area of Science:

  • Internal Medicine
  • Infectious Diseases
  • Hospital Epidemiology

Background:

  • Infectious diseases are a significant cause of hospital admissions.
  • Understanding the characteristics of infected patients is crucial for resource allocation and care improvement.

Purpose of the Study:

  • To delineate the spectrum of infections leading to admission in a general internal medicine unit.
  • To characterize patients admitted with infections and compare their outcomes with non-infected patients.

Main Methods:

  • Retrospective chart review of patients admitted to a general internal medicine unit over two three-month periods.
  • Descriptive analysis of infection types, interventions, costs, and outcomes including mortality and length of stay.

Main Results:

  • Infections were a primary diagnosis in 25-33% of admissions, and a secondary diagnosis in 10-12%.
  • Common infections included pneumonia, urinary tract infections, and skin/soft tissue infections.
  • Infected patients were younger, received more interventions and higher medication costs (antimicrobials), but had similar comorbidity, mortality, nosocomial infections, and length of stay.

Conclusions:

  • A diverse range of infections leads to admissions in general internal medicine.
  • While infections increase healthcare interventions and costs, they do not adversely affect patient outcomes like mortality or length of stay.