preload

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preload

 [pre´lōd]
the volume of blood in the ventricle at the end of diastole.

pre·load

(prē'lōd),
1. The load to which a muscle is subjected before shortening.
2. Synonym(s): ventricular preload

preload

/pre·load/ (pre´lōd) the mechanical state of the heart at the end of diastole, the magnitude of the maximal (end-diastolic) ventricular volume or the end-diastolic pressure stretching the ventricles.

preload

[prē′lōd]
Etymology: L, prae + AS, lad
the stretch of ventricular muscle fibers at end diastole. It is reflected by the ventricular pressure and volume at that part of the cardiac cycle. Cardiac output increases with preload. Also called preload filling pressure.

preload

Cardiology The amount of hemodynamic pressure upstream from the heart, which is ↑ in heart failure due to mitral or aortic valve regurgitation. Cf Afterload.

pre·load

(prē'lōd)
1. The load to which a muscle is subjected before shortening.
2. Synonym(s): ventricular preload.

pre·load

(prē'lōd)
1. The load to which a muscle is subjected before shortening.
2. Synonym(s): ventricular preload.

preload,

n the tensile force in the neck of a tightened screw that locks the screw in place without exceeding the screw material's elastic limit.

preload

see cardiac preload.
References in periodicals archive ?
materials needed in the work of preparing platforms and preloading, come from different sites and different stocks, including located on Port 2000 and southeast of a29 the bar, or on the PLPN Honfleur yet.
This is understandable, since the preloading option does not come within a day before the actual release date, as it happened with "Destiny.
One of the most commonly used method is administration of intravenous fluids prior to spinal anesthesia, a technique called preloading with the hope that this will offset the vasodilatory effects of spinal induced sympathectomy.
Chan et al5 compared the efficacy of prophylactic ephedrine infusion over fluid preloading in prevention of maternal hypotension during spinal anaesthesia for caesarean section.
The goal and the news of this paper is to establish general relations for the fatigue strength and fatigue life of mechanical structures, taking into consideration the deteriorations produced by preloading, as well as fatigue preloading effect on the quasi-static mechanical characteristics.
The principles and mechanism of vacuum preloading have been well explained in the literature, e.
The site was carefully monitored for horizontal movement as well as settlement, flooding and heaving of adjacent low lying sites that has been known to occur in urban areas as a result of preloading.
It was found that the degree of reduction in settlement due to preloading could be assessed by the SGP tests with very good accuracy.
The practice of preloading patients with a bolus of crystalloid solution before epidural was established about 15 years ago when epidural doses were much stronger, explained Dr.
A ball bearing was inserted in the screw preloading device to reduce the friction torque during screw tightening.
This is just one of the many possible applications for using business rules to cache preloading and eviction policies, which will clearly provide a strong return on investment for our customers.
Contract notice: Work of making a preloading embankment to consolidate the compressible ground, saw the beza crossings, in the bypass mirebeau-sur-beze.