Systolic time intervals
Abstract
The systolic time intervals (STI) offer temporal description of the sequential phases of cardiac cycle which are influenced physiologically by the same variables as affect other measures of left ventricular (LV) performance. The STI hence offer a measure of ventricular function which augments other measures of ventricular performance. Because of the extreme sensitivity of this variable and the ease of its measurement the STI are well suited for studying the effect of pharmacologic agents upon the heart.
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The ratio between PEP and LVET is a good indicator of left ventricular dysfunction.
“As a result, it has been proposed that the ratio between PEP and LVET is a good indicator of LV dysfunction.”
From A Chest‐Conformable, Wireless Electro‐Mechanical E‐Tattoo for Measuring Multiple Cardiac Time Intervals (2023) · cites this paper as [13]
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- Authors
- Boudoulas, H.
- Affiliations
- The Ohio State University (US)
- Corresponding author
- Boudoulas, H.
- Venue
- European Heart Journal
- Publisher
- Oxford University Press (OUP)
- Published
- 1990-01-02
- Volume
- 11
- Issue
- suppl I
- Pages
- 93-104
- ISSN
- 0195-668X (ISSN-L)
- 1522-9645
- OpenAlex
- W2085407295
- Cited by
- 110
- References
- 0
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 7 · 2023: 9 · 2022: 3 · 2021: 6 · 2020: 3 · 2019: 6 · 2018: 2 · 2017: 6 · 2016: 8 · 2015: 4 · 2014: 1 · 2013: 4
- FWCI
- 1.19
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- European Heart Journal (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Function and Risk Factors
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
- Health Sciences › Medicine › Surgery › Hemodynamic Monitoring and Therapy
- Keywords
- systolic time intervals, cardiac cycle, left ventricular function, ventricular function, cardiac hemodynamics
- MeSH terms
- Cardiac Output, Cardiovascular Diseases, Echocardiography, Electrocardiography, Humans, Myocardial Contraction, Stroke Volume, Systole, Echocardiography, Doppler, Ventricular Function, Left
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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