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Related Concept Videos

Clinical Trials01:16

Clinical Trials

10.4K
Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
There are four phases in a clinical trial. A phase one...
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Clinical Trials: Overview01:11

Clinical Trials: Overview

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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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Statistical Software for Data Analysis and Clinical Trials01:12

Statistical Software for Data Analysis and Clinical Trials

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Statistical software is pivotal in data analysis and clinical trials by providing tools to analyze data, draw conclusions, and make predictions. These software packages range from simple data management applications to complex analytical platforms, supporting various statistical tests, models, and simulation techniques. Their significance lies in their ability to handle vast amounts of data with precision and efficiency, enabling researchers to validate hypotheses, identify trends, and make...
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Nursing Process for Patient and Caregiver Teaching II: Planning and Implementation01:24

Nursing Process for Patient and Caregiver Teaching II: Planning and Implementation

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Planning for learning involves the development of a teaching plan. Teaching plans are similar to nursing care plans—both follow the steps of the nursing process. Planning in the teaching process involves setting goals and outcomes. Here, goals identify what a patient needs to achieve to understand a healthcare topic better, whereas the outcomes are the action to be performed by the patient to achieve the goal within a timeframe. For example, if the goal is to educate the patient about...
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Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

147
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
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ECG Interpretation of Rhythms01:24

ECG Interpretation of Rhythms

13.6K
An electrocardiogram (ECG)graphically represents the heart's electrical activity on ECG paper or a monitor.
Components of the Electrocardiogram
The primary components of a normal ECG waveform in Normal sinus rhythm(NSR) include the P wave, PR interval, QRS complex, ST segment, T wave, and occasionally a U wave.
ECG waveforms are divided by vertical and horizontal lines at standard intervals.
The horizontal axis measures time and rate, and the vertical axis measures amplitude or voltage....
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Related Experiment Video

Updated: Jan 29, 2026

Patient Directed Recording of a Bipolar Three-Lead Electrocardiogram using a Smartwatch with ECG Function
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Patient Directed Recording of a Bipolar Three-Lead Electrocardiogram using a Smartwatch with ECG Function

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Patient-Led Smartwatch ECG Follow-Up Strategy After AF Ablation: Clinical Trial Design and Implementation.

Nikhil Ahluwalia1, Hakam Abbass2, Ahmed Hussain2

  • 1Electrophysiology Department, Barts Heart Centre, St Bartholomew's Hospital, London, United Kingdom; William Harvey Research Institute, Queen Mary University of London, London, United Kingdom.

JACC. Advances
|January 28, 2026
PubMed
Summary
This summary is machine-generated.

A patient-led smartwatch ECG follow-up strategy after atrial fibrillation (AF) ablation shows high engagement and accurate rhythm classification. This approach offers a practical template for integrating wearable data into AF care pathways.

Keywords:
atrial fibrillationcatheter ablationdigital healthelectrocardiographysmartwatchwearable devices

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Area of Science:

  • Cardiology
  • Digital Health
  • Medical Devices

Background:

  • Conventional atrial fibrillation (AF) follow-up post-ablation is physician-led and may miss paroxysmal symptoms.
  • Patient use of smartwatch ECGs is increasing, but clinical integration is not well-defined.

Purpose of the Study:

  • To detail the design, implementation, data handling, and user engagement of a patient-led smartwatch ECG follow-up protocol post-AF ablation within a clinical trial.

Main Methods:

  • A randomized controlled trial compared a smartwatch ECG protocol (Apple Watch) with standard follow-up for adult AF ablation patients.
  • Data included ECG recordings, user engagement, symptom annotation, and resource utilization.

Main Results:

  • Participants using the smartwatch recorded a median of 170 ECGs over 12 months, with 1.9% transmitted for review.
  • Symptom-annotated ECGs were significantly more likely to detect AF (OR 16.1).
  • Watch-derived AF and sinus rhythm classifications demonstrated high positive predictive values (0.96 and 0.95).

Conclusions:

  • A structured, patient-led smartwatch ECG workflow is feasible for post-ablation AF care.
  • This model demonstrates high patient engagement, manageable workload, and accurate rhythm detection.
  • The framework supports integrating wearable data into AF follow-up and digital health trials.