Standard and Precordial Leads Obtained With an Apple Watch
Authors: Miguel Ángel Cobos Gil
Journal: Annals of Internal Medicine (2019)

Letters17 March 2020Standard and Precordial Leads Obtained With an Apple WatchMiguel Ángel Cobos Gil, MD, PhDMiguel Ángel Cobos Gil, MD, PhDInstituto Cardiovascular, Hospital Clínico San Carlos, Madrid, Spain (M.Á.C.)Author, Article, and Disclosure Informationhttps://doi.org/10.7326/M19-2018 Annals Author Insight Video - Miguel Angel Cobos Gil, MD, PhD In this video, Miguel Angel Cobos Gil, MD, PhD, offers additional insight into the article, "Standard and Precordial Leads Obtained With an Apple Watch." SectionsSupplemental MaterialAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail Background: Wearable health devices are becoming increasingly popular. The Apple Watch series 4 and 5 are the first wearable devices that allow consumers to generate electrocardiograms (ECGs) using the ECG app.Obtaining an ECG using an Apple Watch is as easy as opening the ECG app and touching the digital crown with a finger. The watch then records 30 seconds of a "single-channel ECG similar to a lead I ECG" (1). An associated app (ECG app) in the iPhone (Apple) can do a rhythm analysis and classify the recording as sinus rhythm, bradycardia, tachycardia, or atrial fibrillation or as inconclusive.... References1. U.S. Food and Drug Administration. De novo classification request for ECG app. Accessed at www.accessdata.fda.gov/cdrh_docs/reviews/DEN180044.pdf on 25 August 2019. Google Scholar2. Wilson FN, Johnston FD, MacLeod AG, et al. Electrocardiograms that represent the potential variations of a single electrode. Am Heart J. 1934;9:447-58. doi:10.1016/S0002-8703(34)90093-4 CrossrefGoogle Scholar3. Macfarlane PW, Veitch Lawrie TD. Comprehensive Electrocardiology: Theory and Practice in Health and Disease. 1st ed. vol 1. Oxford, United Kingdom: Pergamon Pr; 1989:323. Google Scholar4. De Gasperi RN, McCulloh DH. CR leads in cardiac emergencies: a preliminary study. Chest. 1991;99:904-10. [PMID: 2009793] CrossrefMedlineGoogle Scholar Author, Article, and Disclosure InformationAffiliations: Instituto Cardiovascular, Hospital Clínico San Carlos, Madrid, Spain (M.Á.C.)Acknowledgment: The author thanks Paloma del Álamo for providing the Apple Watch; Javier Cobos del Álamo for language corrections; Luisa Lozano Gallego and Ana Martín Gómez for recording the ECGs; and José Luis de Unzueta, José Juan Gómez de Diego, Daniel Morales Salinas, and Angela McInerney for contributing to the video.Disclosures: The author has disclosed no conflicts of interest. The form can be viewed at www.acponline.org/authors/icmje/ConflictOfInterestForms.do?msNum=M19-2018.Reproducible Research Statement: Study protocol: See the Supplement. Statistical code: Not available. Data set: Available from Dr. Miguel Ángel Cobos Gil (e-mail, [email protected]com).This article was published at Annals.org on 26 November 2019. 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Macfarlane, DScThe Role of Wearables in Heart FailureEinthoven and Precordial Lead Accuracy of Smartwatch-Acquired Electrocardiographs: A Review of the Literature 17 March 2020Volume 172, Issue 6Page: 436-437KeywordsConflicts of interestDisclosureElectrocardiographyElectrode recordingHeartLongitudinal studiesMyocardial infarctionSt segment elevation myocardial infarctionTachycardiaThorax ePublished: 26 November 2019 Issue Published: 17 March 2020 Copyright & PermissionsCopyright © 2019 by American College of Physicians. All Rights Reserved.PDF downloadLoading ...