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Related Concept Videos

Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

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...
Pulse rhythm01:30

Pulse rhythm

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 muscle...
Sleep Apnea01:21

Sleep Apnea

Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

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...
Electrocardiogram01:29

Electrocardiogram

An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...

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Related Experiment Video

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Multi-Modal Home Sleep Monitoring in Older Adults
07:40

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Published on: January 26, 2019

Multi-modal ECG Holter system for sleep-disordered breathing screening: a validation study.

Laurent Poupard1, Marc Mathieu, Michael Goldman

  • 1Novacor SA, Rueil Malmaison, France.

Sleep & Breathing = Schlaf & Atmung
|July 27, 2011
PubMed
Summary
This summary is machine-generated.

A new multi-modal Holter monitor effectively screens for sleep disordered breathing (SDB) in cardiac patients. This tool aids cardiologists in managing SDB and assessing its link to arrhythmias.

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Medical Devices

Background:

  • Sleep disordered breathing (SDB) is common in heart disease patients.
  • A practical SDB detection tool for cardiologists is needed for patient management.

Purpose of the Study:

  • To assess a novel multi-modal ECG Holter device for SDB screening in cardiac patients.
  • To compare the new device with standard ambulatory polygraphy in a home setting.
  • To analyze cardiac arrhythmias in relation to SDB.

Main Methods:

  • A novel multi-modal ECG Holter incorporating thoracic impedance (TI) and pulse oximetry (SpO2) was evaluated.
  • 118 patients with suspected SDB were enrolled (mean age 57±14, BMI 32±6 kg/m²).
  • The device calculates a Thoracic Impedance Disturbance Index (TIDI+).

Main Results:

  • High signal usability: 93% for TI and 95% for SpO2 during sleep.
  • TIDI+ showed high sensitivity (96.8%) and negative predictive value (94.4%) for SDB detection.
  • The study observed a potential link between SDB periods and nocturnal arrhythmias.

Conclusions:

  • The multi-modal Holter is a valuable tool for SDB screening and selecting patients for polysomnography.
  • It provides a unique method to study the impact of respiratory and hypoxia disturbances on arrhythmias.