Medical dictionary. 2011.
coupling — 1. Usually the result of the repeated pairing of a normal sinus beat with a ventricular extrasystole. 2. See c. phase. 3. A condition in which one or more products of a reaction are the subsequent reactants (or substrates) of a second reaction.… … Medical dictionary
interval — A time or space between two periods or objects; a break in continuity. [L. inter vallum, space between breastworks in a camp, an i., fr. vallum, a rampart, wall] a c i. the i. between the onset of the a wave and that of the c wave of the jugular… … Medical dictionary
variable coupling — coupling in which the interval between extrasystoles and the sinus beats preceding them is not constant … Medical dictionary
J-coupling — (also called indirect dipole dipole coupling ) is the coupling between two nuclear spins due to the influence of bonding electrons on the magnetic field running between the two nuclei. J coupling contains information about dihedral angles which… … Wikipedia
atrial premature complex — (APC) a single ectopic atrial beat arising prematurely, manifest electrocardiographically as an abnormally shaped premature P wave, usually with a slightly increased PR interval. It occurs in normal hearts, sometimes associated with the use of… … Medical dictionary
Parasystole — Infobox Disease Name = PAGENAME Caption = DiseasesDB = ICD10 = ICD9 = ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D017574 Parasystole is a kind of arrhythmia caused by the presence and function of a secondary pacemaker… … Wikipedia
Mathematical principles of reinforcement — (MPR) are a set of mathematical equations that attempt to describe and predict the most fundamental aspects of behavior. The three key principles of MPR, arousal, constraint, and coupling, describe how incentives motivate responding, how time… … Wikipedia
Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate … Wikipedia
Quantum Zeno effect — The quantum Zeno effect is a name coined by George Sudarshan and Baidyanaith Misra of the University of Texas in 1977 in their analysis of the situation in which an unstable particle, if observed continuously, will never decay.Citation | last =… … Wikipedia
Holocene Epoch — formerly Recent Epoch Latest interval of the Earth s geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the… … Universalium
