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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

1.0K
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

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Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
562
Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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

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

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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...
215
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

162
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
162

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Related Experiment Video

Updated: Oct 26, 2025

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
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Implantable Loop Recorders-Syncope, Cryptogenic Stroke, Atrial Fibrillation.

Suneet Mittal1

  • 1Department of Cardiology, Snyder Center for Comprehensive Atrial Fibrillation, Valley Health System, Ridgewood, NJ, USA; Electrophysiology, Valley Health System, 970 Linwood Avenue, Paramus, NJ 07652, USA.

Cardiac Electrophysiology Clinics
|July 31, 2021
PubMed
Summary
This summary is machine-generated.

Implantable loop recorders (ILRs) offer continuous ECG monitoring for diagnosing unexplained palpitations, syncope, and managing atrial fibrillation (AF). These devices aid in detecting arrhythmias for better patient care.

Keywords:
ArrhythmiaAtrial fibrillationCryptogenic strokeImplantable loop recorderInsertable cardiac monitorMonitoringSyncope

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Area of Science:

  • Cardiology
  • Medical Devices
  • Electrophysiology

Background:

  • Recurrent palpitations and syncope require accurate diagnosis.
  • Long-term electrocardiographic (ECG) monitoring is crucial for detecting intermittent arrhythmias like atrial fibrillation (AF).
  • Implantable loop recorders (ILRs) provide a solution for continuous cardiac rhythm surveillance.

Purpose of the Study:

  • To review the clinical utility of implantable loop recorders (ILRs).
  • To evaluate ILR effectiveness in diagnosing syncope and cryptogenic stroke.
  • To assess ILR's role in managing patients with known atrial fibrillation (AF).

Main Methods:

  • Review of clinical literature on ILR use.
  • Analysis of ILR capabilities for automatic and patient-activated ECG data transmission.
  • Examination of ILR application in common clinical scenarios.

Main Results:

  • ILRs are effective for diagnosing unexplained syncope and palpitations.
  • Continuous monitoring aids in identifying atrial fibrillation (AF) in high-risk patients.
  • ILR data assists in guiding clinical management for various cardiac arrhythmias.

Conclusions:

  • Implantable loop recorders are valuable tools for arrhythmia diagnosis and management.
  • ILRs enhance the diagnostic yield in patients with recurrent unexplained symptoms.
  • The technology supports long-term monitoring and personalized AF management strategies.