同: 駆出前期, PEP

WordNet

a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" (同)geological period
(ice hockey) one of three divisions into which play is divided in hockey games
the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility"
the interval taken to complete one cycle of a regularly repeating phenomenon
a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop" (同)point, full_stop, stop, full point
the act of forcing out someone or something; "the ejection of troublemakers by the police"; "the childs expulsion from school" (同)exclusion, expulsion, riddance
(Persian folklore) a supernatural being descended from fallen angels and excluded from paradise until penance is done
a beautiful and graceful girl

PrepTutorEJDIC

(あることが続く)『期間』 / (歴史的な)『時代』 / (試合の)『一区切り』,ピリオド / 授業時間,時限: / (循環して起こる現象などの)周期 / (回転運動などの)周期 / 紀(地質時代の区分の一つ;era(代)の下,epoch(世)の上) / 《おもに米》『ピリオド』,終止符(《英》full stop;Mr.,U.S.など略語の符号(.)も含む) / 《複数形で》《文》掉尾(とうび)文(多くの節から成り,論理的に緊密な構成をもっている文) / 《名詞の前にのみ用いて》ある時代[特有]の,時代物の / (文の終わりに感嘆詞的に)以上,終わり・月経（期間）
〈U〉追い出し;追放;排斥 / 〈U〉噴出;排せつ;〈C〉噴出物

UpToDate Contents

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1. アルコール性心筋症 alcoholic cardiomyopathy
2. 左心室の評価における経食道心エコー transesophageal echocardiography in the evaluation of the left ventricle
3. 肺動脈弁と肺動脈の心エコー評価 echocardiographic evaluation of the pulmonic valve and pulmonary artery
4. 高拍出性心不全 high output heart failure
5. 妊娠を計画している男女における自然妊娠の最適化 optimizing natural fertility in couples planning pregnancy

English Journal

The relation of aerobic fitness to cognitive control and heart rate variability: A neurovisceral integration study.

Alderman BL1, Olson RL2.Author information 1Department of Exercise Science and Sport Studies, Rutgers University, 70 Lipman Drive, New Brunswick, NJ 08901. Electronic address: alderman@rutgers.edu.2Department of Nutritional Sciences, Rutgers University. Electronic address: ryan.olson@rutgers.edu.AbstractThis aim of the present study was to investigate relationships between aerobic fitness, sympathetic and parasympathetic cardiac control using pre-ejection period (PEP) and high frequency heart rate variability (HF HRV), and performance on a task requiring variable amounts of cognitive control. Fifty-six participants completed a modified-version of the Eriksen flanker task while PEP and HF HRV were collected. A graded maximal exercise test was subsequently used to measure aerobic fitness by assessing maximal oxygen uptake. Results indicated a significant relation of fitness to reaction time performance. Although no fitness differences were observed in resting state PEP or HF HRV, higher fit adults exhibited greater task-induced parasympathetic cardiac control. However, no significant mediation was found for HF HRV on the fitness-cognitive control relationship, suggesting other mediators may be important. These findings highlight the role of aerobic fitness in enhancing integrated autonomic and neurocognitive health.
Biological psychology.Biol Psychol.2014 Feb 19. pii: S0301-0511(14)00046-5. doi: 10.1016/j.biopsycho.2014.02.007. [Epub ahead of print]
This aim of the present study was to investigate relationships between aerobic fitness, sympathetic and parasympathetic cardiac control using pre-ejection period (PEP) and high frequency heart rate variability (HF HRV), and performance on a task requiring variable amounts of cognitive control. Fifty
PMID 24560874

Precordial vibrations provide noninvasive detection of early-stage hemorrhage.

Tavakolian K1, Dumont GA, Houlton G, Blaber AP.Author information 1*Department of Electrical and Computer Engineering, University of British Columbia; and †Heart Force Medical Inc, Vancouver; and ‡Aerospace Physiology Laboratory, Simon Fraser University, Burnaby, British Columbia, Canada.AbstractGraded lower-body negative pressure was used to create a hemodynamic response similar to hemorrhage. Echocardiogram measurements showed a maximal reduction of 32.4% in stroke volume. Analysis of systolic time intervals, such as pre-ejection period and left ventricular ejection time (LVET), derived from a seismocardiogram (SCG), were demonstrated to be more sensitive in detection of early-stage hemorrhage compared with pulse pressure, heart rate, and the amplitude features extracted from SCG. In particular, the LVET and pre-ejection period/LVET features, extracted from SCG, were significantly different between, and correlated with, the different stages of lower-body negative pressure (r = 0.9 and 0.88, P < 0.05), for 32 subjects. These results suggest a portable, cost-effective solution for identification of mild or moderate hemorrhage using accelerometers.
Shock (Augusta, Ga.).Shock.2014 Feb;41(2):91-6. doi: 10.1097/SHK.0000000000000077.
Graded lower-body negative pressure was used to create a hemodynamic response similar to hemorrhage. Echocardiogram measurements showed a maximal reduction of 32.4% in stroke volume. Analysis of systolic time intervals, such as pre-ejection period and left ventricular ejection time (LVET), derived f
PMID 24434413

Ultra-high frame rate tissue Doppler imaging.

Brekke B1, Nilsen LC, Lund J, Torp H, Bjastad T, Amundsen BH, Stoylen A, Aase SA.Author information 1MI Lab and Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway. Electronic address: birger.brekke@ntnu.no.AbstractWe describe a new tissue Doppler imaging (TDI) method, ultra-high frame rate tissue Doppler imaging (UFR-TDI). With two broad transmit beams covering only the ventricular walls, we achieve 1200 frames/s in a four-chamber apical view. We examined 10 healthy volunteers to study the feasibility of this method. Ultra-high-frame-rate TDI provided peak annular velocities and time to peak S' intervals in good agreement with those measured with conventional TDI. Moreover, UFR-TDI provided additional information in early and late systole: In all subjects, the method was able to separate the timing of electrical activation, start of mechanical contraction, mitral valve closure and start of ejection. The earliest mechanical activation was seen before mitral valve closure. The method was also able to measure the propagation speed of the mechanical wave created by aortic valve closure.
Ultrasound in medicine & biology.Ultrasound Med Biol.2014 Jan;40(1):222-31. doi: 10.1016/j.ultrasmedbio.2013.09.012. Epub 2013 Nov 7.
We describe a new tissue Doppler imaging (TDI) method, ultra-high frame rate tissue Doppler imaging (UFR-TDI). With two broad transmit beams covering only the ventricular walls, we achieve 1200 frames/s in a four-chamber apical view. We examined 10 healthy volunteers to study the feasibility of this
PMID 24210859

Japanese Journal

携帯型胸部電気的アドミタンス心拍出量・心電図計測装置の開発とその性能評価

電気学会論文誌. C 134(1), 41-48, 2014
NAID 130003382810

Is the Pre-Ejection Period Key to Predicting the Response to Cardiac Resynchronization Therapy?

Circulation journal : official journal of the Japanese Circulation Society 76(3), 590, 2012-02-25
NAID 10030129704

Impact of a systolic parameter, defined as the ratio of right brachial pre-ejection period to ejection time, on the relationship between brachial-ankle pulse wave velocity and left ventricular diastolic function

Hypertension research : clinical and experimental : official journal of the Japanese Society of Hypertension 34(4), 462-467, 2011-04-01
NAID 10031163201