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Related Concept Videos

Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

631
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.
Several factors...
631
Special considerations while measuring blood pressure01:28

Special considerations while measuring blood pressure

711
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
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Related Experiment Video

Updated: Jun 15, 2025

Assessing the Accuracy of Fitness Smartwatch Data for Cardiovascular and Physical Activity Monitoring: A Validation Study in Digital Health
05:51

Assessing the Accuracy of Fitness Smartwatch Data for Cardiovascular and Physical Activity Monitoring: A Validation Study in Digital Health

Published on: February 21, 2025

397

Smartwatch step counting: impact on daily step-count estimation accuracy.

Peter Düking1, Jana Strahler2, André Forster3

  • 1Department of Sports Science and Movement Pedagogy, Technische Universität Braunschweig, Braunschweig, Germany.

Frontiers in Digital Health
|August 23, 2024
PubMed
Summary
This summary is machine-generated.

Smartwatch step counts improve daily step estimation accuracy. Individuals suppressing bodily sensations were less accurate initially, but smartwatch feedback stabilized accuracy for weeks.

Keywords:
eHealthinnovationmHealthsmartwatchtechnologywearable

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Area of Science:

  • Behavioral science
  • Human-computer interaction
  • Wearable technology

Background:

  • Daily step count estimation accuracy is often poor.
  • Psychological factors influencing step estimation are not well understood.
  • Smartwatches offer a potential tool to improve step-count awareness.

Purpose of the Study:

  • To determine if smartwatch step display enhances daily step-count estimation accuracy.
  • To identify psychological factors associated with step-count estimation accuracy.

Main Methods:

  • 34 participants wore smartwatches for 4 weeks, with step count blinded in week 1 (baseline) and unblinded in week 2 (intervention).
  • Participants estimated daily steps multiple times daily.
  • Psychological factors were assessed using the Body Awareness Questionnaire and Body Responsiveness Questionnaire (BRQ).

Main Results:

  • Mean absolute percentage error decreased significantly from 29.49% (baseline) to 0.54% (intervention).
  • Accuracy remained improved at follow-up (11.89%–15.14%) for at least 6 weeks.
  • Baseline accuracy was negatively influenced by the BRQ subscale 'Suppression of Bodily Sensations' (p=0.048).

Conclusions:

  • Smartwatch step display significantly improves subjective daily step-count estimation accuracy.
  • This accuracy improvement is sustained for at least 6 weeks post-intervention.
  • Individuals suppressing bodily sensations may benefit most from smartwatch feedback for accurate step estimation.