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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Sinoatrial Beat to Beat Variability Assessed by Contraction Strength in Addition to the Interbeat Interval
|
|---|---|
| Published in |
Frontiers in Physiology, May 2018
|
| DOI | 10.3389/fphys.2018.00546 |
| Pubmed ID | |
| Authors |
Helmut Ahammer, Susanne Scheruebel, Robert Arnold, Michael Mayrhofer-Reinhartshuber, Petra Lang, Ádám Dolgos, Brigitte Pelzmann, Klaus Zorn-Pauly |
| Abstract |
Beat to beat variability of cardiac tissue or isolated cells is frequently investigated by determining time intervals from electrode measurements in order to compute scale dependent or scale independent parameters. In this study, we utilize high-speed video camera recordings to investigate the variability of intervals as well as mechanical contraction strengths and relative contraction strengths with nonlinear analyses. Additionally, the video setup allowed us simultaneous electrode registrations of extracellular potentials. Sinoatrial node tissue under control and acetylcholine treated conditions was used to perform variability analyses by computing sample entropies and Higuchi dimensions. Beat to beat interval variabilities measured by the two recording techniques correlated very well, and therefore, validated the video analyses for this purpose. Acetylcholine treatment induced a reduction of beating rate and contraction strength, but the impact on interval variability was negligible. Nevertheless, the variability analyses of contraction strengths revealed significant differences in sample entropies and Higuchi dimensions between control and acetylcholine treated tissue. Therefore, the proposed high-speed video camera technique might represent a non-invasive tool that allows long-lasting recordings for detecting variations in beating behavior over a large range of scales. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 2 | 33% |
| Mexico | 1 | 17% |
| Switzerland | 1 | 17% |
| Poland | 1 | 17% |
| Unknown | 1 | 17% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 5 | 83% |
| Scientists | 1 | 17% |
Mendeley readers
The data shown below were compiled from readership statistics for 5 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 5 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Lecturer > Senior Lecturer | 1 | 20% |
| Student > Doctoral Student | 1 | 20% |
| Student > Ph. D. Student | 1 | 20% |
| Student > Master | 1 | 20% |
| Researcher | 1 | 20% |
| Other | 0 | 0% |
| Readers by discipline | Count | As % |
|---|---|---|
| Physics and Astronomy | 2 | 40% |
| Chemical Engineering | 1 | 20% |
| Sports and Recreations | 1 | 20% |
| Medicine and Dentistry | 1 | 20% |
Attention Score in Context
This research output has an Altmetric Attention Score of 4. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 09 June 2018.
All research outputs
#7,243,769
of 23,058,939 outputs
Outputs from Frontiers in Physiology
#3,476
of 13,794 outputs
Outputs of similar age
#125,077
of 329,125 outputs
Outputs of similar age from Frontiers in Physiology
#150
of 486 outputs
Altmetric has tracked 23,058,939 research outputs across all sources so far. This one has received more attention than most of these and is in the 68th percentile.
So far Altmetric has tracked 13,794 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.6. This one has gotten more attention than average, scoring higher than 74% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 329,125 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 61% of its contemporaries.
We're also able to compare this research output to 486 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 68% of its contemporaries.