What is the clinical evidence from this study?

Study design: Other. Intervention: Muscle-to-electrode distance. Primary outcome: EMGdi center frequency (CF) (decreased by approximately 1 Hz/mm displacement).

What does this research mean for the field?

Muscle-to-electrode distance strongly affects diaphragm electromyogram power spectra, with center frequency decreasing by approximately 1 Hz per millimeter displacement away from the closest electrode pair. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

September 1, 1995Journal of Applied Physiology

Effects of muscle-to-electrode distance on the human diaphragm electromyogram

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Key result

Greater muscle-to-electrode distance decreases EMGdi center frequency by ~1 Hz/mm.

decreased by approximately 1 Hz/mm displacement
n=5

Population

5 subjects

Design

Other

Authors

JBJennifer BeckSt. Michael's Hospital CSChrister A. SinderbySt. Michael's Hospital JWJan WeinbergKarolinska Institutet

Discussion

Member takes

Implication

Select closest electrode pair for reliable EMGdi spectra; leaves open clinical validation in diaphragm monitoring.

Structured PICO

Population

5 subjects performing static contractions of the diaphragm at various chest wall configurations.

Exposure

Measurement of diaphragm electromyogram (EMGdi) using a multiple-array esophageal electrode during static contractions at various chest wall configurations

Outcome

Effect of muscle-to-electrode distance on EMGdi center frequency (CF)surrogate

Main Result

Effect estimate: decreased by approximately 1 Hz/mm displacement

EMGdi center frequency can be reliably measured with a multiple-array esophageal electrode by selecting the pair of electrodes closest to the diaphragm to account for muscle-to-electrode distance.

Cite This Study

Beck et al. (1995) studied this question. Muscle-to-electrode distance was evaluated on EMGdi center frequency (CF) (decreased by approximately 1 Hz/mm displacement). Muscle-to-electrode distance strongly affected EMGdi power spectra, with center frequency decreasing by approximately 1 Hz/mm displacement away from the closest electrode pair.

synapsesocial.com/papers/6aa67f4bd7cdd2657b78e527 https://doi.org/10.1152/jappl.1995.79.3.975

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September 1, 1995Journal of Applied Physiology

Effects of muscle-to-electrode distance on the human diaphragm electromyogram

View Full Paper

Ask AI

Bookmark

Key result

Greater muscle-to-electrode distance decreases EMGdi center frequency by ~1 Hz/mm.

decreased by approximately 1 Hz/mm displacement
n=5

Population

5 subjects

Design

Other

Authors

JBJennifer BeckSt. Michael's Hospital CSChrister A. SinderbySt. Michael's Hospital JWJan WeinbergKarolinska Institutet

Discussion

Member takes

Implication

Select closest electrode pair for reliable EMGdi spectra; leaves open clinical validation in diaphragm monitoring.

Structured PICO

Population

5 subjects performing static contractions of the diaphragm at various chest wall configurations.

Exposure

Measurement of diaphragm electromyogram (EMGdi) using a multiple-array esophageal electrode during static contractions at various chest wall configurations

Outcome

Effect of muscle-to-electrode distance on EMGdi center frequency (CF)surrogate

Main Result

Effect estimate: decreased by approximately 1 Hz/mm displacement

EMGdi center frequency can be reliably measured with a multiple-array esophageal electrode by selecting the pair of electrodes closest to the diaphragm to account for muscle-to-electrode distance.

Cite This Study

synapsesocial.com/papers/6aa67f4bd7cdd2657b78e527 https://doi.org/10.1152/jappl.1995.79.3.975

Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

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