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Related Concept Videos

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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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.
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Electrocardiogram01:29

Electrocardiogram

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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...
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Instrumentation Amplifier01:25

Instrumentation Amplifier

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An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
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Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

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Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
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Medical-Grade ECG Sensor for Long-Term Monitoring.

Aleksandra Rashkovska1, Matjaž Depolli1, Ivan Tomašić2

  • 1Department of Communication Systems, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia.

Sensors (Basel, Switzerland)
|March 22, 2020
PubMed
Summary
This summary is machine-generated.

This study presents the Savvy ECG, a wireless, class IIa medical device for long-term patient monitoring. It offers high-quality electrocardiogram (ECG) recordings for medical analysis and diverse applications.

Keywords:
body ECG sensordifferential leadelectrocardiographymedicinemobile healthsportveterinary

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Area of Science:

  • Biomedical Engineering
  • Medical Device Technology

Background:

  • The trend in electrocardiogram (ECG) development is shifting towards wireless body sensors for continuous patient monitoring.
  • The goal is to create multi-functional sensors for synchronized vital bio-sign acquisition.

Purpose of the Study:

  • To present a novel ECG sensor for long-term patient monitoring.
  • To demonstrate the sensor's high-quality recording capabilities and diverse applications.

Main Methods:

  • Development of a wireless ECG sensor measuring differential lead surface potential.
  • Certification as a class IIa medical device.
  • Implementation of immediate data access for users.

Main Results:

  • The Savvy ECG sensor achieves high-quality ECG recordings with clear distinction of electrocardiographic waves.
  • Experimental results show the impact of sensor placement and artifacts.
  • Demonstrated potential in medicine, sports, veterinary fields, heart rate variability biofeedback, and biometric authentication.

Conclusions:

  • The Savvy ECG is a certified, market-ready device for long-term ECG monitoring.
  • Its design facilitates high-quality recordings and immediate data access.
  • The sensor shows significant potential across various applications beyond traditional medical diagnostics.