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Related Concept Videos

Pulse rhythm01:30

Pulse rhythm

857
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...
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Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

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Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
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Assessment of radial pulse01:11

Assessment of radial pulse

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Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
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Special considerations while measuring pulse01:13

Special considerations while measuring pulse

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Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
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Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
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A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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A Self-Powered Multifunctional Bracelet for Pulse Monitoring and Personal Rescue.

Wei Sun1,2, Jiangtao Xue1,3, Puchuan Tan1,2

  • 1Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China.

Biosensors
|May 26, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a self-powered bracelet for outdoor adventurers, combining energy harvesting with vital sign monitoring. It offers continuous health tracking and emergency features, overcoming battery limitations for enhanced safety in extreme environments.

Keywords:
energy harvestingnanogeneratorpulse monitoringself-poweredwearable

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Area of Science:

  • Wearable electronics
  • Energy harvesting
  • Biomedical engineering

Background:

  • Outdoor workers and explorers face risks in extreme environments.
  • Existing wearable devices have limited battery life, hindering continuous monitoring and rescue functions.
  • There is a need for self-powered wearable solutions for prolonged use and safety.

Purpose of the Study:

  • To develop a self-powered multifunctional bracelet for continuous health monitoring and emergency rescue.
  • To address the limitations of battery capacity in wearable electronic devices for outdoor applications.
  • To integrate a hybrid energy harvesting system and a stable pulse monitoring sensor into a watch-like structure.

Main Methods:

  • Designed a hybrid energy supply module to harvest rotational and elastic kinetic energy.
  • Integrated triboelectric and piezoelectric nanogenerators for enhanced energy conversion.
  • Developed a statically indeterminate structure for stable pulse monitoring with anti-interference capabilities.
  • Incorporated functional electronic components for real-time wireless data transmission and integrated lighting functions.

Main Results:

  • The hybrid energy module generated a voltage of 69 V and a current of 87 mA.
  • Achieved stable and reliable pulse signal monitoring even during movement.
  • Enabled real-time wireless transmission of pulse and position information.
  • Demonstrated direct power for rescue and illumination lights via simple strap adjustments.

Conclusions:

  • The self-powered multifunctional bracelet offers a viable solution for continuous health monitoring and emergency assistance for individuals in demanding environments.
  • Efficient energy conversion and stable physiological monitoring highlight the device's potential for widespread application.
  • The integrated design overcomes battery limitations, enhancing the safety and utility of wearable technology for adventurers and outdoor workers.