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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

228
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...
228
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

188
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...
188
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

238
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...
238
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

232
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...
232
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption01:22

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Absorption

229
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...
229
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

197
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...
197

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Oral Health Assessment by Lay Personnel for Older Adults
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The Age-Friendly Geriatric Assessment.

Carrie Rubenstein, Laura Blinkhorn, Barry D Weiss

    American Family Physician
    |January 16, 2026
    PubMed
    Summary
    This summary is machine-generated.

    Family physicians increasingly care for older adults. The 4Ms framework (What Matters, Medication, Mentation, Mobility) guides comprehensive geriatric assessment, addressing patient priorities, medication review, cognitive function, and fall risk.

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    Area of Science:

    • Geriatric Medicine
    • Primary Care
    • Internal Medicine

    Background:

    • The US population is aging, increasing the prevalence of older adults (65+) in primary care settings.
    • Effective geriatric assessment is crucial for managing the complex health needs of this demographic.

    Purpose of the Study:

    • To outline the 4Ms framework as a structured approach to geriatric assessment.
    • To emphasize key components for evaluating older adult patients in primary care.

    Main Methods:

    • The 4Ms framework encompasses: What Matters (patient priorities), Medication (review and reconciliation), Mentation (cognitive and mood assessment), and Mobility (fall risk screening).
    • Specific tools mentioned include Mini-Cog for mentation and Stopping Elderly Accidents, Deaths, and Injuries (STEADI) for mobility.
    • Assessment should prompt further evaluation and intervention for identified issues.

    Main Results:

    • The 4Ms framework provides a comprehensive approach to geriatric care.
    • Addressing patient priorities, optimizing medications, assessing cognition and mood, and evaluating mobility are essential components.

    Conclusions:

    • The 4Ms framework offers a practical and effective model for family physicians to conduct geriatric assessments.
    • This systematic approach can improve the quality of care for older adults by addressing key aspects of their health and well-being.