Ground-Free ECG Recording with Two Electrodes

Nitish V Thakor, John G. Webster

Research output: Contribution to journalArticle

Abstract

ECG recordings normally use three electrodes-two for the differential inputs of the ECG amplifier and the third for ground. We analyze those situations where the ground electrode can be eliminated. We propose a model for the source of electrical interference and determine various parameter values. Making use of experimentally obtained data for the model parameters we suggest optimal design for a two-electrode amplifier. The two-electrode design is useful for biotelemetry, portable Holter monitors, and portable arrhythmia monitors. Under certain circumstances it may be useful for grounded monitoring equipment The two-electrode technique has the advantage that it improves patient safety by eliminating the ground electrode. Fewer electrodes make patient attachment easier and lower electrode costs.

Original languageEnglish (US)
Pages (from-to)699-704
Number of pages6
JournalIEEE Transactions on Biomedical Engineering
VolumeBME-27
Issue number12
DOIs
StatePublished - 1980
Externally publishedYes

Fingerprint

Electrocardiography
Electrodes
Grounding electrodes
Biotelemetry
Monitoring
Costs

ASJC Scopus subject areas

  • Biomedical Engineering

Cite this

Ground-Free ECG Recording with Two Electrodes. / Thakor, Nitish V; Webster, John G.

In: IEEE Transactions on Biomedical Engineering, Vol. BME-27, No. 12, 1980, p. 699-704.

Research output: Contribution to journalArticle

Thakor, Nitish V ; Webster, John G. / Ground-Free ECG Recording with Two Electrodes. In: IEEE Transactions on Biomedical Engineering. 1980 ; Vol. BME-27, No. 12. pp. 699-704.
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