The Effects of Sustained Inspiration and Expiration on Heart Rate to Elucidate the Physical Mechanics of Respiratory Sinus Arrhythmia

Q: What are the key findings of this study?

Sustained maximum inspiration significantly amplified respiratory sinus arrhythmia, while sustained maximum expiration unexpectedly reversed it by shortening the RR interval and increasing heart rate.

Q: What is the clinical evidence from this study?

Population: Healthy (n=4). Intervention: Sustained maximum inspiration and expiration vs. Normal breathing. Primary outcome: Longest RR interval and maximum Heart Rate (p=<0.05).

Q: What does this research mean for the field?

Sustained maximum inspiration significantly amplifies respiratory sinus arrhythmia, whereas sustained maximum expiration unexpectedly reverses it by shortening the RR interval and increasing heart rate. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Melvin F Simoyi

doi:10.26717/bjstr.2019.22.003732

October 24, 2019Biomedical Journal of Scientific & Technical ResearchOpen Access

The Effects of Sustained Inspiration and Expiration on Heart Rate to Elucidate the Physical Mechanics of Respiratory Sinus Arrhythmia

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Key result

Sustained maximum inspiration amplifies respiratory sinus arrhythmia while sustained expiration unexpectedly reverses it.

P<0.05
n=4

Structured PICO

P

Population

4 healthy adults aged 22 to 43 underwent respiratory cycle manipulations to evaluate the physical mechanics of respiratory sinus arrhythmia.

I

Intervention

Sustained inspiration and expiration

O

Outcome

Heart ratesurrogate

Main Result

p-value: p=<0.05

Limitations

Small sample size of only 4 subjects
Occasional spikes in the RR interval and HR in the data acquisition system
Discomfort of holding breath after maximum expiration may have caused artifacts

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Implication

This study investigates the physical mechanics of Respiratory Sinus Arrhythmia by examining the effects of sustained inspiration and expiration on heart rate.

Abstract

This study investigated the physical effects of the respiratory cycle on heart rate by exaggerating the conditions under which Respiratory Sinus Arrhythmia (RSA) occurs...

Discussion

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Cite This Study

Melvin F Simoyi (2019) studied Healthy (n=4). Sustained maximum inspiration and expiration vs. Normal breathing was evaluated on Longest RR interval and maximum Heart Rate (p=<0.05). Sustained maximum inspiration significantly amplified respiratory sinus arrhythmia, while sustained maximum expiration unexpectedly reversed it by shortening the RR interval and increasing heart rate.

synapsesocial.com/papers/6aa8f1764c09c952e443ebdd https://doi.org/10.26717/bjstr.2019.22.003732

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The Effects of Sustained Inspiration and Expiration on Heart Rate to Elucidate the Physical Mechanics of Respiratory Sinus Arrhythmia

Structured PICO

Main Result

Limitations

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

The Effects of Sustained Inspiration and Expiration on Heart Rate to Elucidate the Physical Mechanics of Respiratory Sinus Arrhythmia

Structured PICO

Main Result

Limitations

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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