RELIABLE R-WAVE DETECTION FROM AMBULATORY SUBJECTS.

Research output: Contribution to journalConference articlepeer-review

Abstract

The electrode-to-skin interface as a source of artifacts has been investigated. The test device applies a force of 5 newtons to simulate the generation of movement artifacts. Four-day-long tests at 14 thoracic locations identified four optimal locations for electrodes. Artifacts generated by an exercise protocol have been used to evaluate the long-term performance of electrodes. The author describes the design of an ECG amplifier and a QRS detection circuit that has a power consumption of only 150 microwatts and operates on a single 5-volt supply. The performance of the hardware was tested with 15 minutes of a standardized set of recorded arrhythmias and 15 minutes of noise signals encountered under ambulatory conditions.

Original languageEnglish (US)
Pages (from-to)67-72
Number of pages6
JournalBiomedical Sciences Instrumentation
Volume14
StatePublished - Jan 1 1978
Externally publishedYes
EventProc of the Annu Rocky Mt Bioeng Symp, 15th and Int ISA Biomed Sci Instrum Symp, 15th - Ames, IA, USA
Duration: Apr 17 1978Apr 18 1978

ASJC Scopus subject areas

  • Biophysics
  • Medical Laboratory Technology

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