refractory period
Determinants of the Duration of the Refractory Period of the Atrioventricular Nodal System in Man
... The term "refractory period of the atrioventricular nodal conduction system" AVRP, as used in this paper is, as discussed below, closely analogous to the effective refractory period 2 an[r] ...
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Renal denervation decreases effective refractory period but not inducibility of ventricular fibrillation in a healthy porcine biomodel: a case control study
... A diagnostic decapolar catheter (Response CSL, St. Jude Medical, USA) was inserted under fluoroscopic guidance into the apex of the right ventricle (RV) via right jugular vein to provide monitoring of intracardial ...
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The existence and impact of the Psychological Refractory Period effect in the driving environment
... Psychological Refractory Period effect (PRP) (Telford, 1931, Welford, 1952) is an example of this, and results from a fundamental limitation in human task performance, whereby two tasks cannot be processed ...
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Suppression of the immune response potentiates tadpole tail regeneration during the refractory period
... the refractory period seemed chronic, we hypothesized that these chronic immune responses were responsible for the impaired regenerative ability during this ...the refractory period in ...
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STUDIES ON THE REFRACTORY PERIOD FOR THE INDUCTION OF RECESSIVE LETHAL MUTATION BY X RAYS IN PARAMECIUM
... controls showed a lower frequency of normal autogamous clones than in the usual inbred stock, a common experience with hybrids between stocks in P. Consequently th[r] ...
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TB_chapter4.doc
... absolute refractory period, the patch of nerve fiber membrane that has just under- gone an action potential can be restimulated only by a stronger stimulus than is usually ...
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Glucose and aging control the quiescence period that follows pancreatic beta cell replication
... quiescence period in older mice and the shortened quiescence period in response to beta cell ablation and GKA stimulation provide a novel insight into the mechanisms of beta cell ...mitosis ...
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Effects of alternating cycle lengths on refractoriness of the His Purkinje system
... relative refractory period of the His-Purkinje system was always longer with method II (463 +/- 52 ...effective refractory period of the His-Purkinje system; (b) while functional right bundle ...
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The electrophysiologic effects of low and high digoxin concentrations on isolated mammalian cardiac tissue: reversal by digoxin specific antibody
... responsiveness, conduction velocity (CV), and refractory period. The preparation was then exposed to 1 × 10 -7 M digoxin and repeat measurements were carried out every 15 min. At slow (30/min) rates of ...
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Original Article The effect of nicotinamide adenine dinucleotide (NADH) on electrical remodeling in atrial fibrillation
... Atrial fibrillation (AF) is a ubiquitous yet diverse cardiac arrhythmia [1-3]. The self-perpetuating nature of AF has been attributed to shortening of atrial refractoriness and a loss of rate adap- tation of the atrial ...
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PubMedCentral-PMC4927193.pdf
... Single electrode refractory period findings suggested that both effects were mediated by activation of two sub-populations of ultrafast and fast fibers of the medial forebrain bundle t[r] ...
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Inducibility of ventricular fibrillation during mild therapeutic hypothermia: electrophysiological study in a swine model
... VF was induced by programmed ventricular stimulation (PVS, Figure 2B). Briefly, electrical stimuli (12 ms dur- ation, maximal stimulation current 20 mA) were delivered from the apex of RV. Eight basic stimuli (S1) of ...
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Acquired Complete Heart Block with Long QT Interval and Recurrent Polymorphic Ventricular Tachycardia: A Case Report
... ventricular refractory period has been reported with long QT syndrome (LQTS) [2], but only few reports of acquired complete heart block, and few reports of congenital complete heart block with prolonged QT ...
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Early bioelectric activities mediate redox modulated regeneration
... 6 hpa might lead to cell overmigration. In short, cells are deluded into behaving as if the wound was still open (Fig. S16B). Wound epithelium from the refractory period is thicker than regenerative X. ...
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Design Overview Of Processor Based Implantable Pacemaker
... rate, refractory period and pulse width with VOO mode as explained in section II, has been realized using MSP430F1611 target board, as shown in figure 4 and IAR ...and refractory period pulse, ...
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Vers une approche physiopathologique des troubles de l’éjaculation
... 6. G.: Sexual Behavior: Extreme Reduction of Postejaculatory Refractory Period by Midbrain Lesions in Male Rats. EVERITT, B.J.: Increased expression of c-fos in the medial p[r] ...
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The Electrical Activity of the Radial Nerve in Diadema antillarum Philippi and Certain Other Echinoids
... The conduction velocity of the slow response started at one end implies that it will reach the recording electrodes during the absolute refractory period resulting from the slow response[r] ...
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Status Epilepticus – A recent review
... medically refractory epilepsy, 124 seizure-exacerbations were treated by their caregivers, alternatively with 10 mg Diazepam rectal solution (DZP-r) and 10 mg concentrated Midazolam nasal spray (MDZ-n), two or ...
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Skating on thin ice: pragmatic prescribing for medication refractory schizophrenia
... treatment refractory schizo- phrenia poses a significant personal, social and economic challenge, and there is a dearth of evidence to support treatment beyond clozapine ...of refractory pa- tients ...
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Update on options for treatment of metastatic castration-resistant prostate cancer
... weeks)/prednisone (10 mg daily). The study was prematurely terminated in October 2008 based on the results of a futility analysis conducted by the study’s Independent Data Monitor- ing Committee (IDMC), which determined ...
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