A case of variant angina treated with a pacemaker for cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity

Kamishima, Kazuho; Yamada, Yoshio; Kawarai, Hirotaka; K, Kudo; Shimazaki, Kensuke; Henmi, Ryuta; Honda, Akira; Gunji, Kazue; Uno, Motoki; Shoji, Hirokazu

doi:10.1016/j.joa.2012.12.012

Cited by 3 publications

(1 citation statement)

References 19 publications

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“…An ECG records the electrical activity produced by the heartbeat. ECG signal analysis is used to confirm a normal heart rate and for early diagnosis of various heart diseases, such as arrhythmias [ 95 ], myocardial infarction [ 96 ], and angina [ 97 ]. The ECG signals generated by a single heartbeat are classified in the following order: P-wave, QRS complex, and T-wave [ 98 ].…”

Section: Electrophysiological Signal Sensingmentioning

confidence: 99%

Biodegradable Polymer Composites for Electrophysiological Signal Sensing

2022

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Electrophysiological signals are collected to characterize human health and applied in various fields, such as medicine, engineering, and pharmaceuticals. Studies of electrophysiological signals have focused on accurate signal acquisition, real-time monitoring, and signal interpretation. Furthermore, the development of electronic devices consisting of biodegradable and biocompatible materials has been attracting attention over the last decade. In this regard, this review presents a timely overview of electrophysiological signals collected with biodegradable polymer electrodes. Candidate polymers that can constitute biodegradable polymer electrodes are systemically classified by their essential properties for collecting electrophysiological signals. Moreover, electrophysiological signals, such as electrocardiograms, electromyograms, and electroencephalograms subdivided with human organs, are discussed. In addition, the evaluation of the biodegradability of various electrodes with an electrophysiology signal collection purpose is comprehensively revisited.

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Section: Electrophysiological Signal Sensingmentioning

confidence: 99%

Biodegradable Polymer Composites for Electrophysiological Signal Sensing

2022

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Questionnaire in patients with aborted sudden cardiac death due to coronary spasm in Japan

et al. 2020

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Clinical course of a case of variant angina treated with a pacemaker for cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity

Yamada

Kamishima

Kawarai

et al. 2014

Journal of Arrhythmia

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Clinical course of a case of variant angina treated with a pacemaker for cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activityIn the Journal of Arrhythmia, we previously reported the case of a 55-year-old woman with variant angina who was implanted with a pacemaker to treat cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity [1]. In this report, we follow the clinical outcome of the pacemaker implantation in this patient. Upon implantation, we simulated the proper and effective response of the pacemaker to prepare for the possibility that the patient might encounter coronary ischemiainduced bradycardia. A high output setting was selected in order to prevent pacing failure and a rate drop response (RDR) setting was selected both to ensure efficient pacing in the case of an angina attack and to conserve battery power during periods when there was no angina.Three years have passed since the pacemaker was implanted. During this time, the patient appears to have been in remission of vasospastic activity and the patient is doing well without symptomatic angina. We also evaluated the pacemaker data and found that an episode of paroxysmal atrioventricular block occurred asymptomatically and that the RDR response was functioning appropriately (Fig. 1). Finally, the ventricular pacing rate was 0.4% and the average battery longevity was 11.5 years (range, 9.5-13 years), which was longer than that of the ordinary setting. Conflict of interestAuthors have no conflict of interest to declare. Reference[1] Kamishima K, Yamada Y, Kawarai H, et al. A case of variant angina treated with a pacemaker for cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity. J Arrhythm 2013;29:275-80.

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A case of variant angina treated with a pacemaker for cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity

Cited by 3 publications

References 19 publications

Biodegradable Polymer Composites for Electrophysiological Signal Sensing

Biodegradable Polymer Composites for Electrophysiological Signal Sensing

Questionnaire in patients with aborted sudden cardiac death due to coronary spasm in Japan

Clinical course of a case of variant angina treated with a pacemaker for cardiopulmonary arrest due to complete atrioventricular block and pulseless electrical activity

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