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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.
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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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Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
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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.
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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.
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Intermittent Loss of Telemetry Data: Lessons From a Leadless Pacemaker.

Dimitrios Katsaras1, Christopher Cassidy1, Mohammed Lakha1

  • 1Cardiology Department, Lancashire Cardiac Centre, Blackpool Teaching Hospitals National Health Service Foundation Trust, Blackpool, United Kingdom.

JACC. Case Reports
|July 28, 2021
PubMed
Summary

A leadless pacemaker showed intermittent under-sensing and failure to pace. This was linked to intermittent loss of telemetry data during device interrogation.

Keywords:
ECG, electrocardiogramEGMs, electrogramsSVC, superior vena cavabradycardiacardiac pacemakerelectrocardiogram

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Device Technology

Background:

  • Leadless pacemakers offer an alternative to transvenous pacing systems.
  • Regular device interrogation is crucial for monitoring pacemaker function and patient safety.

Observation:

  • A 63-year-old female patient presented for routine leadless pacemaker interrogation.
  • Interrogation revealed intermittent under-sensing and failure to pace.

Findings:

  • Connecting the electrocardiogram lead to the pacing system analyzer suggested intermittent loss of telemetry data.
  • This intermittent data loss is a potential cause for the observed pacing issues.

Implications:

  • This case highlights the importance of considering telemetry integrity during pacemaker troubleshooting.
  • Further investigation into leadless pacemaker telemetry reliability may be warranted.
  • Ensuring consistent data transmission is key for accurate leadless pacemaker performance assessment.