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J Vis Exp. 2010 May 27;(39). pii: 1739. doi: 10.3791/1739.

Ambulatory ECG recording in mice.

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  • 1Department of Molecular Physiology and Biophysics, Baylor College of Medicine, USA.

Abstract

Telemetric ECG recording in mice is essential to understanding the mechanisms behind arrhythmias, conduction disorders, and sudden cardiac death. Although the surface ECG is utilized for short-term measurements of waveform intervals, it is not practical for long-term studies of heart rate variability or the capture of rare episodes of arrhythmias. Implantable ECG telemeters offer the advantages of simple surgical implantation, long-term recording of electrograms in ambulatory mice, and scalability with simultaneous recordings of multiple animals. Here, we present a step-by-step guide to the implantation of telemeters for ambulatory ECG recording in mice. Careful adherence to aseptic technique is required for favorable survival results with the possibility of implantation and recording from weeks to months. Thus, implantable ECG telemetry is a valuable tool for detection of critical information on cardiac electrophysiology in ambulatory animal models such as the mouse.

PMID:
20517202
[PubMed - indexed for MEDLINE]
PMCID:
PMC3152865
Free PMC Article
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