(a.) Reentering; pointing or directed inwardds; as, a re/ntrant angle.
Example Sentences:
(1) During electrophysiologic study, the effect of propafenone on the effective refractory period of the accessory pathway was determined, as well as its effect during orthodromic atrioventricular (AV) reentrant tachycardia and atrial fibrillation.
(2) The electrophysiologic studies of three patients with accessory pathways and multiple reentrant circuits are reported.
(3) In 2 pts, reentrant beats conducted on the FP antegradely and on SP retrogradely.
(4) It is possible that such action potentials are responsible for the reentrant and automatic arrhythmias which occur in association with clinical cardiac disease.
(5) Intravenous flecainide was successful in terminating ongoing tachycardias in 81% of reported cases of atrioventricular (AV) nodal reentrant tachycardias, 88% of AV reentrant tachycardias and 100% of atrial tachycardias.
(6) The effect of the autonomic system on conduction disorders in the infarction zone (IZ) and related reentrant ventricular arrhythmias (RVA) in the late myocardial infarction period in the dog was studied utilizing averaged recordings of the reentrant pathways from the epicardial surface of the IZ.
(7) The purpose of this study was to investigate the role of tissue anisotropy and dispersion of refractoriness on initiation of reentrant ventricular tachycardia (VT).
(8) In two dogs, the reentrant circuit was located intramurally in close proximity to a patchy septal infarction.
(9) The experiments performed on two wethers provided with simple rumen cannulas and reentrant cannulas, inserted into the proximal duodenum and ileum, showed a passage of 15N from labelled urea, injected intravenously, from the blood to the digestive tract.
(10) The time dependence of nonuniform propagation and the relatively high conduction velocities explain two major characteristics of reentrant tachycardias in acute ischemia: the large diameters of reentrant circuits and the beat-to-beat changes in localization of conduction block.
(11) The ablated pathway was the His bundle in 8 patients, an accessory pathway in 3 patients and a ventricular reentrant circuit in 1 patient.
(12) All 20 patients (100%) with AV node reentrant tachycardia treated with diltiazem had conversion of tachycardia to sinus rhythm as did 26 (81%) of 30 patients with AV reciprocating tachycardia treated with diltiazem.
(13) The electrophysiological effects of antiarrhythmic drugs were tested in 36 patients with recurrent paroxysmal supraventricular tachycardia (PSVT), 25 of whom had accessory pathway reentrant tachycardia (APRT) and 11 A-V nodal reentrant tachycardia (AVNRT; 10 of the slow-fast type one of the fast-slow type).
(14) Patients with atrioventricular nodal reentrant tachycardia were deduced to have simultaneous atrial and ventricular activation when no atrial signal could be seen elsewhere in the cycle.
(15) The patient has neither reentrant tachycardias nor atrial fibrillation episodes.
(16) Paroxysms cease when the conducting properties of the reentrant circuits are disturbed by changes in autonomic tone or the application of certain drugs, pacing, or cardioversion.
(17) Three out of 11 patients with atrioventricular nodal reentrant tachycardia (AVNRT) had VA values greater than or equal to 70 msec, while 5 of 28 patients with orthodromic reciprocating tachycardia (ORT) had values less than or equal to 70 msec.
(18) Low current, high frequency trains of stimuli, when applied at a site presumed to be close to the reentrant circuit, provided a safe and effective method of terminating the common type of AV node reentrant tachycardia.
(19) The two cases suggest the following conclusions: (1) dual A-V nodal pathways may allow the occurrence of double antegrade conduction of one P; (2) the atria are not necessary for A-V nodal circus movements in "dual pathway" A-V nodal reentrant PSVT.
(20) However, the right ventricular apex electrogram demonstrated a constant morphology with a decrease in cycle length equal to that of the other intracardiac electrograms, indicating a constant direction of activation from the ventricular tachycardia circuit, and that ventricular tachycardia had been transiently entrained by AV nodal reentrant tachycardia.
Valley
Definition:
(n.) The space inclosed between ranges of hills or mountains; the strip of land at the bottom of the depressions intersecting a country, including usually the bed of a stream, with frequently broad alluvial plains on one or both sides of the stream. Also used figuratively.
(n.) The place of meeting of two slopes of a roof, which have their plates running in different directions, and form on the plan a reentrant angle.
(n.) The depression formed by the meeting of two slopes on a flat roof.
Example Sentences:
(1) However, as other patients who lived at the periphery of the Valserine valley do not appear to be related to any patients living in the valley, and because there has been considerable immigration into the valley, a number of hypotheses to explain the distribution of the disease in the region remain possible.
(2) We always feel like it's Hobbitshire – a green valley where nothing happens."
(3) In 1971 the Fountain Valley (Calif.) High School established a program at Fairview State Hospital in Costa Mesa.
(4) In primary culture, CSM cells attached to the culture vessels by 48 to 72 h, proliferated by 3 to 7 d, and reached confluency by 14 to 17 d with a "hill-and-valley" pattern.
(5) Although selenium deficiency in livestock is consequently now rare in Oregon, selenium-deficient soils and attendant selenium deficiency conditions have been reported near the Kesterson Wildlife Refuge in the Northern part of the San Joaquin Valley, California, where, paradoxically, selenium toxicity in wildfowl, nesting near evaporation ponds, occurred and attracted wide attention.
(6) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
(7) Even the landscape is secretive: vast tracts of crown land and hidden valleys with nothing but a dead end road and lonely farmhouse, with a tractor and trailer pulled across the farmyard for protection.
(8) 2589 sera from pathology laboratories in towns in the Murray Valley gave additional evidence of community immunity to flaviviruses and suggested some increase in the proportion reactive between January and May 1974.
(9) Wastewater from Mexico city is used to irrigate over 85 000 hectares, mainly of fodder and cereal crops in the Mezquital Valley.
(10) By means of immunoreactivity for spot 35 protein, a novel cerebellar Purkinje cell-specific protein, the regional heterogeneity among non-pigmented ciliary epithelial cells of rats was demonstrated with reference to the antero-posterior and crest-valley directions of individual ciliary epithelial folds in immature and mature eyes.
(11) Compounds 3a and 3c exhibited significant activity against vaccinia virus in vitro, whereas 4a was effective against Rift Valley fever virus in mice.
(12) Two “Belgian journalists” had been in the Panjshir valley of northern Afghanistan for weeks, supposedly waiting to interview Ahmad Shah Massoud, the so-called Lion of the Panjshir, leader of the anti-Taliban Northern Alliance, an al-Qaida adversary.
(13) At the World Economic Forum in Davos last week, Netanyahu declared he would not “uproot a single settler” from the Jordan Valley.
(14) The antibody response against flaviviruses tick-borne encephalitis (TBE), Kyasanur Forest disease (KFD), Murray Valley encephalitis (MVE), West Nile fever (WNF), Japanese B encephalitis (JE), dengue 2 (DEN-2), and yellow fever (YF) was studied in humans after administration of an inactivated TBE virus vaccine.
(15) The data discussed in this article were gathered through use of a retrospective cohort survey five years following a major flood in the Wyoming Valley of Pennsylvania.
(16) A recent study of foetal alcohol syndrome in the Fitzroy Valley, in remote Western Australia, found that 120 out of 1,000 children born in the largely Aboriginal community were affected by the condition, which impairs brain development and decision making and is connected with high rates of involvement in the justice system.
(17) The 5' non-coding region of the genomes of 11 isolates of Murray Valley encephalitis virus from Australia and Papua New Guinea were examined by primer extension sequencing.
(18) As part of a concerted effort to avoid the in danger listing, the Queensland government came up with an alternative plan to dump the sediment within an enclosed area of the Caley Valley wetlands, which is considered nationally important habitat for more than 15 species of migratory birds.
(19) The list is split between on and off-screen talent, including Sherlock producer Sue Vertue, the writer of Last Tango in Halifax and Happy Valley, Sally Wainwright, and Elisabeth Murdoch , founder of MasterChef producer Shine.
(20) Non-discrimination laws chart Although the decisive manner in which leaders from Silicon Valley and the business community rallied against – and ultimately helped change – the Indiana law marked a major turning point, Talbot conceded that the project itself is unfinished.