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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

As individuals age, their body's physiology evolves, affecting drug pharmacokinetics. The most apparent changes occur in the gastrointestinal tract, where an increase in gastric pH, a delay in gastric emptying, and a reduction in gastrointestinal motility are observed. Remarkably, these changes do not substantially modify the absorption of orally administered drugs, particularly those absorbed via passive diffusion.Transdermal drug delivery emerges as a highly viable method for older adults due...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are not...
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...

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Related Experiment Video

Updated: Jul 11, 2026

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
06:59

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings

Published on: November 9, 2016

The geriatric emergency department.

Ula Hwang1, R Sean Morrison

  • 1Department of Emergency Medicine, and Brookdale Department of Geriatrics and Adult Development, Mount Sinai School of Medicine, New York, New York, USA. ula.hwang@msnyuhealth.org

Journal of the American Geriatrics Society
|October 6, 2007
PubMed
Summary

Older adults present unique challenges in emergency departments (EDs) due to complex health needs. Geriatric Emergency Department Interventions can improve care for these vulnerable patients.

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Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department
07:52

Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department

Published on: January 29, 2011

Related Experiment Videos

Last Updated: Jul 11, 2026

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
06:59

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings

Published on: November 9, 2016

Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department
07:52

Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department

Published on: January 29, 2011

Area of Science:

  • Geriatric Medicine
  • Emergency Medicine
  • Healthcare System Design

Background:

  • The aging population is increasing the demand for specialized geriatric care within emergency departments (EDs).
  • Current ED designs and care processes may not adequately address the complex needs of older patients, including multiple comorbidities and polypharmacy.
  • Subtle clinical presentations in geriatric patients can complicate rapid triage and diagnosis.

Purpose of the Study:

  • To highlight the challenges in providing emergency care to geriatric patients.
  • To introduce Geriatric Emergency Department Interventions as a solution to improve care for older adults in the ED.

Main Methods:

  • Review of current emergency department practices and their impact on geriatric care.
  • Identification of structural and process modifications for specialized geriatric care.
  • Analysis of the potential benefits of implementing Geriatric Emergency Department Interventions.

Main Results:

  • Older adults often have complex health conditions (e.g., polypharmacy, cognitive impairment) that challenge standard ED protocols.
  • Existing ED environments and workflows may not be optimized for the specific needs of geriatric patients.
  • Geriatric Emergency Department Interventions offer a framework to adapt EDs for better geriatric patient outcomes.

Conclusions:

  • Adapting emergency departments with specific geriatric interventions is crucial for meeting the needs of an aging population.
  • Structural and process changes can mitigate the challenges associated with geriatric emergency care.
  • Implementing these interventions can enhance the quality and efficiency of care for older adults in the ED.