Related Experiment Video
Updated: Jul 31, 2025
08:17
Murine Echocardiography of Left Atrium, Aorta, and Pulmonary Artery
Published on: February 20, 2017
14.5K
Cardiac System during the Aging Process
Ana Sofia Fernandes Ribeiro1, Blanca Egea Zerolo1, Fidel López-Espuela2
1Escuela de Enfermería y Fisioterapia San Juan de Dios. Universidad Pontificia Comillas, Madrid, Spain.
Aging and Disease
|May 10, 2023
Summary
Cardiac aging leads to system decline and increased heart disease risk. Understanding these changes is key to developing strategies for healthier aging in the elderly.
Area of Science:
- Cardiology
- Gerontology
- Molecular Biology
Background:
- The aging process significantly impacts cardiac function, leading to disruptions in homeostasis.
- Aging is a primary risk factor for cardiovascular diseases, including heart failure and mortality.
Purpose of the Study:
- To provide a comprehensive overview of cardiac aging.
- To explore structural, functional, and cellular changes in the aging heart.
- To examine the role of genetics, epigenetics, and exercise in cardiac aging.
Main Methods:
- Literature review focusing on cardiac aging.
- Analysis of structural and functional modifications.
- Investigation of cellular mechanisms of cardiac dysfunction.
- Examination of genetic and epigenetic factors.
- Review of exercise response in the aging heart.
Main Results:
- Aging induces progressive structural and functional declines in the heart.
- Cellular mechanisms underlying age-related cardiac dysfunction are multifaceted.
- Genetic and epigenetic factors play a crucial role in the development of cardiac diseases with age.
- The aging heart exhibits altered responses to physiological stimuli like exercise.
Conclusions:
- Understanding cardiac aging is vital for preventing age-related cardiovascular events.
- Targeting the aging process can improve the quality of life for the elderly population.
- Further research into cardiac aging mechanisms can inform therapeutic strategies.
More Related Videos
Related Concept Videos
01:17Pathophysiology of Heart Failure
1.7K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.7K
01:19The Effect of Aging on Tissues
2.2K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
2.2K
01:29Heart Failure II: Pathophysiology
18
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
18
01:29Pathophysiology of Cardiac Performance
717
Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
717
01:26Imbalances in Cardiac Output
1.4K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
1.4K
01:27Heart Failure I: Introduction
26
Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
26