re-entry

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Aberrant electrical impulses that flow through the cardiac conduction system, which form the basis for some—if not all—supraventricular tachycardia

re-entry

(rē-ĕn′trē)
In cardiology, the cycling of an electrical impulse through conductive tissue that has been recently stimulated. This is the cause of many tachycardic heart rhythms (e.g., those originating in the atrioventricular node).

re-entry

in cardiology, a postulated mechanism by which a premature beat can be coupled to the normal beat.

re-entry tachyarrhythmia
see re-entrant tachyarrhythmia.
References in periodicals archive ?
The strong effect of the unemployment rate on welfare returns in Nevada confirms earlier findings in other states that suggest the business cycle is critical in shaping re-entries to welfare (Carrington et al.
Published reports of the incident prompted other coaches and at least one umpire to point out that, according to high school rules, the umpire, not Cunningham, was wrong as re-entries are not required to be announced.
Elsewhere in the chart are Kellogg's, Tango, Carlsberg, Grolsch and Stella Artois--predominantly re-entries from the past few weeks.
Space junk is less of a problem on Earth: "In the 45 years of re-entries, no one has ever been hurt by re-entering debris," Johnson said.
There were 56 re-entries and only 13 people have fallen off the list.
The other new entries to Travelscene's top 20 cities were all re-entries from previous years.
However, in the last decade, they've made several exits and a few quiet re-entries on several occasions.
The proportion of children having a probation-supervised placement experience increased as the number of re-entries to foster care increased (Figure 1).
The unit also watches space for satellite re-entries, breakups and decays.
Citing videos of "Scud missile re-entries during the Gulf War," the project engineers argued that ballistic bombardment "over a number of the world's cities could provide a suitably large-scale commenoration of humanity's entry into the new millennium.
Of these movies, 251 entered for the first time and 99 re-entered after previously falling out of the Top-50; the two groups of films are referred to as New-Entries and Re-Entries, respectively.
Two researchers set to fly aboard suborbital spacecraft as a part of Southwest Research Institute's next-generation suborbital research program completed another milestone last week when they evaluated commercial spaceflight equipment during an intensive series of centrifuge runs that closely mimicked launches and re-entries aboard suborbital spacecraft.