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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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Assessment of apical radial pulse01:25

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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.
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Assessment of apical pulse01:17

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Assessment of radial pulse01:11

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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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Exercise Stress Test01:26

Exercise Stress Test

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Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
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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.
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Related Experiment Video

Updated: Jun 25, 2025

A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
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Evaluating a New Digital App-Based Program for Heart Health: Feasibility and Acceptability Pilot Study.

Kimberly G Lockwood1, Priya R Kulkarni2, Jason Paruthi3

  • 1Lark Health, Mountain View, CA, United States.

JMIR Formative Research
|May 24, 2024
PubMed
Summary
This summary is machine-generated.

This pilot study shows that the AI-powered Lark Heart Health app is feasible and acceptable for cardiovascular disease (CVD) prevention. Participants were satisfied, engaged, and achieved weight loss, indicating potential for digital health interventions.

Keywords:
AIacceptability and feasibilityartificial intelligencecardiovascular diseasedigital healthlifestyle coachingmobile phonepilot study

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Area of Science:

  • Digital Health
  • Cardiovascular Disease Prevention
  • Artificial Intelligence in Healthcare

Background:

  • Cardiovascular disease (CVD) is a leading cause of death in the US.
  • Digital health programs offer scalable, cost-effective CVD prevention.
  • The Lark Heart Health app is an AI-powered tool for lifestyle change.

Purpose of the Study:

  • Evaluate the feasibility and acceptability of the Lark Heart Health app.
  • Assess participant satisfaction, engagement, and health screener submission.
  • Examine weight loss outcomes as a secondary objective.

Main Methods:

  • A 90-day pilot study of 509 participants using the Lark Heart Health app.
  • Participants engaged in coaching, meal logging, weight tracking, and educational lessons.
  • Outcomes included satisfaction, engagement, screener completion, and weight loss.

Main Results:

  • High retention (96.1%) and satisfaction (≥4/5) were observed.
  • Significant engagement with app features, including ≥5 coaching conversations (83.4%).
  • Participants achieved an average weight loss of 3.8%.

Conclusions:

  • The Lark Heart Health app is feasible and acceptable for users.
  • High satisfaction and engagement support its use in CVD prevention.
  • Further research with a commercial version in diverse populations is warranted.