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Related Concept Videos

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per minute.
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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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...
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Heart Failure II: Pathophysiology

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Related Experiment Video

Updated: Jul 3, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

[Atrial fibrillation in the elderly].

Agustín Urrutia de Diego1

  • 1Servicio de Medicina Interna, Unidad Geriátrica de Agudos, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Barcelona, España. agustinurrutia.germanstrias@gencat.net

Revista Espanola De Geriatria Y Gerontologia
|August 7, 2008
PubMed
Summary

Atrial fibrillation (AF) is common in older adults and linked to serious health issues. Frequency control and anticoagulation are key strategies for managing AF and reducing stroke risk in the elderly.

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The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
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Last Updated: Jul 3, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

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Published on: February 26, 2013

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

Area of Science:

  • Cardiology
  • Geriatrics
  • Internal Medicine

Context:

  • Atrial fibrillation (AF) significantly impacts the elderly population, affecting 5% of those over 65 and 10% over 80.
  • AF is associated with increased risks of stroke, heart failure, and diminished quality of life.
  • Common comorbidities include hypertension, ischemic heart disease, and heart failure.

Purpose:

  • To outline therapeutic strategies for atrial fibrillation (AF) management in the elderly.
  • To highlight the role of frequency control as an effective option for elderly patients, especially those with heart failure or contraindications to antiarrhythmic drugs.
  • To emphasize the importance of anticoagulation for stroke risk reduction in AF patients.

Summary:

  • AF presents with symptoms such as palpitations, fatigue, dyspnea, and dizziness.
  • Treatment options include rhythm control and frequency control; frequency control is often preferred in elderly patients.
  • Anticoagulation is the primary method to mitigate stroke risk, with antiplatelet agents offering a less effective alternative when anticoagulation is unsuitable.

Impact:

  • Provides a concise overview of AF prevalence, symptoms, and comorbidities in the elderly.
  • Clarifies treatment approaches, emphasizing frequency control and anticoagulation for improved patient outcomes.
  • Informs clinical decision-making regarding AF management in older adults, focusing on stroke prevention and quality of life.