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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

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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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Sleep Apnea01:21

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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.
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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...
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Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

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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...
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Related Experiment Video

Updated: Sep 12, 2025

Multi-Modal Home Sleep Monitoring in Older Adults
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Incident Arrhythmias Detected Using Implantable Loop Recorders in Obstructive Sleep Apnoea.

Hejie He1,2, Ven Gee Lim1,2,3, Nicholas Weight1

  • 1Institute for Cardiometabolic Medicine (ICMM), University Hospital Coventry, CV2 2DX Coventry, UK.

Reviews in Cardiovascular Medicine
|August 8, 2025
PubMed
Summary
This summary is machine-generated.

Obstructive sleep apnoea (OSA) is common and linked to heart rhythm problems. While continuous positive airway pressure (CPAP) helps, it may not fully prevent arrhythmias like atrial fibrillation, suggesting a need for better screening.

Keywords:
arrhythmiaatrial fibrillationcontinuous positive airways pressureimplantable loop recorderobstructive sleep apnoea

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Epidemiology

Background:

  • Obstructive sleep apnoea (OSA) is prevalent and associated with increased cardiovascular disease and arrhythmia risk.
  • Continuous positive airway pressure (CPAP) is the standard OSA treatment, but its impact on specific arrhythmias remains unclear.
  • Arrhythmias are likely underdiagnosed in OSA patients, necessitating advanced detection methods like implantable loop recorders (ILRs).

Purpose of the Study:

  • To systematically review observational studies using ILRs to determine arrhythmia incidence in treated OSA patients.
  • To evaluate the effectiveness of CPAP in managing arrhythmias within the OSA population.

Main Methods:

  • Systematic literature search of Medline/EMBASE databases for observational studies.
  • Inclusion of OSA patients without prior arrhythmia history who underwent ILR insertion.
  • Quality and bias assessment of included studies using the Observational Study Quality Evaluation (OSQE) tool.

Main Results:

  • Three studies with 77 participants were included; outcomes were not comparable for pooling.
  • CPAP significantly reduced bradyarrhythmia/pauses, but high incidence of atrial fibrillation (AF) up to 31% was observed.
  • AF and tachyarrhythmias appear underdiagnosed in OSA; CPAP may be insufficient for their prevention.

Conclusions:

  • Further research is needed to establish the true incidence of arrhythmias in OSA patients.
  • Routine arrhythmia screening in OSA patients is recommended.
  • Findings may inform updated arrhythmia screening guidelines and identify therapeutic targets for OSA.