cardiac cycle


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Related to cardiac cycle: cardiac output, blood pressure, Heart sounds

cardiac cycle

[′kärd·ē‚ak ‚sī·kəl]
(physiology)
The sequence of events in the heart between the start of one contraction and the start of the next.
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References in periodicals archive ?
It is a dynamic structure, whose size and shape change during the cardiac cycle.
Informacion sobre la valvula mitral canina en el curso de la degeneracion mixomatosa valvular mitral
At the first cardiac cycle t = 0.65 s, the maximum wall shear stress in the proximal 75% stenosis of the LAD is about 225 Pa in the fluid flow model and 275 Pa in the dispersed particle-fluid flow model.
Numerical Simulation of Dispersed Particle-Blood Flow in the Stenosed Coronary Arteries
In order to decrease the shoot time and the contrast agent's injection quantity, images in the first cardiac cycle (donated by the cardiac cycle S) after the injection of the contrast agent are analyzed in this study.
The Time-Domain Integration Method of Digital Subtraction Angiography Images
Figure 11 shows the segmentation results during the cardiac cycle, with changes in time.
Deformable Models for Segmentation Based on Local Analysis
In this section, effective flow structures are observed in the diseased vessel (right carotid artery) by streamline velocity plot at regular time steps of a cardiac cycle and by observing contour of wall shear stress on the wall of the vessel.
Assessment of Influences of Stenoses in Right Carotid Artery on Left Carotid Artery Using Wall Stress Marker
From the repetition feature of heart sound, it can be concluded that the width of the sliding window must be greater than two cardiac cycles to ensure that the fetal heart beats at least two times in the window.
Fetal Heart Rate Monitoring from Phonocardiograph Signal Using Repetition Frequency of Heart Sounds
the sum of PEP and VET) from the total cardiac cycle period, assessed as 60/HR (Crisafulli et al., 2000; Marongiu et al., 2013).
Mean blood pressure assessment during post-exercise: result from two different methods of calculation
The second calculation was pulsatile (four cardiac cycles) using a laminar solver, and the third calculation was pulsatile (four cardiac cycles) where laminar-to-turbulent transition was included.
The effect of plaque removal on pressure drop and flow rate through an idealized stenotic lesion
On the contrary, the CSA of the jugular varies over the cardiac cycle, being a pulsatile large vein.
Why current Doppler ultrasound methodology is inaccurate in assessing cerebral venous return: the alternative of the ultrasonic jugular venous pulse
In a recent study, UCLA experts used a MRI technique called arterial spin labeling to measure the volume of cerebral arteries twice--once at the systolic phase of the cardiac cycle, when the heart was pumping blood into the brain, and again at the diastolic phase, when the heart was relaxing.
New method to measure artery stiffness in the brain can help with stroke prevention
eSie Valves also enables comprehensive valve modeling (less than 5 secs for any image of the cardiac cycle) and provides the most comprehensive set of measurements (up to 62 measures) to support valve disease diagnosis, intervention and surgery planning.
Getting to the heart of simulation
a short, early, and limited period of the cardiac cycle during which a stimulus elicits either a totally unexpected response or one that is less abnormal than expected considering the state of recovery from the preceding impulse.
Unexpected atrioventricular conduction in high-grade atrioventricular block

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