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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

355
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...
355
Heart Failure VI: Adjunct Therapies01:22

Heart Failure VI: Adjunct Therapies

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Additional therapies for treating patients with heart failure (HF) may include procedural interventions, supplemental oxygen, the management of sleep disorders, and nutritional therapy.Procedural InterventionsImplantable Cardioverter-Defibrillator: For patients at risk of life-threatening arrhythmias due to severe left ventricular dysfunction, an Implantable Cardioverter-Defibrillator (ICD) can detect and terminate these arrhythmias, preventing sudden cardiac death and improving survival rates.
583
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

323
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...
323
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

342
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...
342
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

964
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
964
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

320
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...
320

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Related Experiment Video

Updated: Apr 3, 2026

Author Spotlight: Developing a Point-of-Care Hemoglobin Estimation Method for Anemia Management
05:35

Author Spotlight: Developing a Point-of-Care Hemoglobin Estimation Method for Anemia Management

Published on: January 19, 2024

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[ANEMIC SYNDROME AND ITS SPECIFICS IN SENIOR PATIENTS].

A N Bogdanov, V N Semelev, V V Tyrenko

    Advances in Gerontology = Uspekhi Gerontologii
    |September 23, 2015
    PubMed
    Summary

    Anemia is common in seniors, with iron deficiency, B12 deficiency, and chronic disease being frequent causes. However, the origin of anemia remains unknown in 25% of older adults.

    Area of Science:

    • Geriatric Medicine
    • Hematology

    Context:

    • Anemia is a frequent clinical finding, particularly in the elderly population.
    • Prevalence increases with age, impacting quality of life and mortality.

    Purpose:

    • To summarize the common types and causes of anemia in senior patients.
    • To highlight the diagnostic challenges and impact of anemia in this demographic.

    Summary:

    • Common anemias in seniors include iron deficiency, vitamin B12 deficiency, anemia of chronic disease, and anemia of kidney disease.
    • A significant portion (25%) of anemia cases in seniors have an undetermined cause.
    • Anemia negatively affects quality of life, morbidity, and mortality in the elderly, except for cases of unknown origin.

    Impact:

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    • Highlights the need for further research into the etiology of unexplained anemia in seniors.
    • Underscores the importance of timely anemia diagnosis and management in geriatric care.
    • Informs clinical practice regarding the high prevalence and diverse causes of anemia in older adults.