| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
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| CAP | camptodactyly-arthropathy-pericarditis [syndrome]; Canada Assistance Plan; capsule; captopril; catab... |
| CCD | calibration curve data; central core disease; charge-coupled device; childhood celiac disease; cleid... |
| ECL | emitter-coupled logic; enterochromaffin-like [type]; euglobin clot lysis |
| ICP-MS | inductively coupled plasma mass spectrometry [or spectrometer] |
| BCF | Beat cross frequency |
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| CBF | Ciliary beat frequency |
| IBI | Inter Beat Interval |
| bpm | beat per minute |
| CCD | Charge Coupled Device |
| coupled beats | Beats (usually premature) that recur at a fixed interval from a preceding (usually normal) beat. (05 Mar 2000) |
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| beat-to-beat variability | Variability of foetal heart rate measured in changes in the QRS-QRS interval from heart beat to heart beat; measured with electronic internal foetal heart rate monitors. Continuous variation, a series of very slight variation's. (05 Mar 2000) |
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| G-protein coupled receptor | <cell biology> Cell surface receptors that are coupled to G-proteins (GTP-binding protein). G-protein coupled receptors are thought to have seven membrane spanning domains and have been divided into 2 subclasses: those in which the binding site is in the extracellular domain for example receptors for glycoprotein hormones, such as thyroid stimulating hormone (TSH) and follicle-stimulating hormone (FSH) and those in which the ligand binding site is likely to be in the plane of the 7 transmembrane domains for example rhodopsin and receptors for small neurotransmitters and hormones for example muscarinic acetylcholine receptor. (18 Nov 1997) |
| coupled pulse | A pulse in which the beats occur in pairs. Synonym: bigemina, coupled pulse, pulsus bigeminus. (05 Mar 2000) |
| coupled reaction | Two chemical reactions that share a common intermediate (for example, the productof the first reaction is a reactant in the second) and therefore havesome kind of energy exchange between them. (09 Oct 1997) |
| coupled rhythm | That cardiac rhythm when each beat of the dominant rhythm (sinus or other) is followed by a premature beat, with the result that the heartbeats occur in pairs (bigeminy). Synonym: coupled rhythm. (05 Mar 2000) |
| coupled transport | The linked, simultaneous transport of two substances across a cell membrane (or another intracellular membrane). If the two substances are moving in the same direction (both into the cell or both out of the cell) it is called symport. If the two substances are moving in opposite directions (one moves into the cell while the other moves out) it is called antiport. (09 Oct 1997) |
| apex beat | The visible and/or palpable pulsation made by the apex of the left ventricle as it strikes the chest wall in systole; normally in the fifth intercostal space, about 10 cm to the left of the median line. (05 Mar 2000) |
| atrial capture beat | The cardiac cycle resulting when, after a period of A-V dissociation, the atria regain control of the ventricles; atrial depolarisation due to retrograde transmission from a ventricular ectopic beat or an electronically paced ventricular impulse. (05 Mar 2000) |
| atrial fusion beat | A beat that occurs when the atria are activated in part by the sinus impulse and in part by an ectopic or retrograde impulse from A-V junction or ventricle. (05 Mar 2000) |
| automatic beat | In contrast to forced beat, an ectopic beat that arises de novo and is not precipitated by the preceding beat; thus escaped and parasystolic beat's are automatic. Synonym: automatic contraction. (05 Mar 2000) |
| beat | 1. To strike repeatedly; to lay repeated blows upon; as, to beat one's breast; to beat iron so as to shape it; to beat grain, in order to force out the seeds; to beat eggs and sugar; to beat a drum. "Thou shalt beat some of it [spices] very small." (Ex. Xxx. 36) "They did beat the gold into thin plates." (Ex. Xxxix. 3) 2. To punish by blows; to thrash. 3. To scour or range over in hunting, accompanied with the noise made by striking bushes, etc, for the purpose of rousing game. "To beat the woods, and rouse the bounding prey." (Prior) 4. To dash against, or strike, as with water or wind. "A frozen continent . . . Beat with perpetual storms." (Milton) 5. To tread, as a path. "Pass awful gulfs, and beat my painful way." (Blackmore) 6. To overcome in a battle, contest, strife, race, game, etc.; to vanquish or conquer; to surpass. "He beat them in a bloody battle." (Prescott) "For loveliness, it would be hard to beat that." (M. Arnold) 7. To cheat; to chouse; to swindle; to defraud; often with out. 8. To exercise severely; to perplex; to trouble. "Why should any one . . . Beat his head about the Latin grammar who does not intend to be a critic?" (Locke) 9. To give the signal for, by beat of drum; to sound by beat of drum; as, to beat an alarm, a charge, a parley, a retreat; to beat the general, the reveille, the tattoo. See Alarm, Charge, Parley, etc. To beat down, to haggle with (any one) to secure a lower price; to force down. To beat into, to teach or instill, by repetition. To beat off, to repel or drive back. To beat out, to extend by hammering. To beat out of a thing, to cause to relinquish it, or give it up. "Nor can anything beat their posterity out of it to this day." . To beat the dust. To take in too little ground with the fore legs, as a horse. To perform curvets too precipitately or too low. To beat the hoof, to walk; to go on foot. To beat the wing, to flutter; to move with fluttering agitation. To beat time, to measure or regulate time in music by the motion of the hand or foot. To beat up, to attack suddenly; to alarm or disturb; as, to beat up an enemy's quarters. Synonym: To strike, pound, bang, buffet, maul, drub, thump, baste, thwack, thrash, pommel, cudgel, belabor, conquer, defeat, vanquish, overcome. Origin: OE. Beaten, beten, AS. Beatan; akin to Icel. Bauta, OHG. Bzan. Cf. 1st Butt, Button. 1. To strike repeatedly; to inflict repeated blaows; to knock vigorously or loudly. "The men of the city . . . Beat at the door." (Judges. Xix. 22) 2. To move with pulsation or throbbing. "A thousand hearts beat happily." (Byron) 3. To come or act with violence; to dash or fall with force; to strike anything, as, rain, wind, and waves do. "Sees rolling tempests vainly beat below." (Dryden) "They [winds] beat at the crazy casement." (Longfellow) "The sun beat upon the head of Jonah, that he fainted, and wisbed in himself to die." (Jonah iv. 8) "Public envy seemeth to beat chiefly upon ministers." (Bacon) 4. To be in agitation or doubt. "To still my beating mind." (Shak). 5. To make progress against the wind, by sailing in a zigzag line or traverse. 6. To make a sound when struck; as, the drums beat. 7. To make a succession of strokes on a drum; as, the drummers beat to call soldiers to their quarters. 8. <physics> To sound with more or less rapid alternations of greater and less intensity, so as to produce a pulsating effect; said of instruments, tones, or vibrations, not perfectly in unison. A beating wind, to run first one way and then another; said of a stag. To beat up for recruits, to go diligently about in order to get helpers or participators in an enterprise. 1. A stroke; a blow. "He, with a careless beat, Struck out the mute creation at a heat." (Dryden) 2. A recurring stroke; a throb; a pulsation; as, a beat of the heart; the beat of the pulse. 3. The rise or fall of the hand or foot, marking the divisions of time; a division of the measure so marked. In the rhythm of music the beat is the unit. A transient grace note, struck immediately before the one it is intended to ornament. 4. <physics> A sudden swelling or reenforcement of a sound, recurring at regular intervals, and produced by the interference of sound waves of slightly different periods of vibrations; applied also, by analogy, to other kinds of wave motions; the pulsation or throbbing produced by the vibrating together of two tones not quite in unison. See Beat. 5. A round or course which is frequently gone over; as, a watchman's beat. 6. A place of habitual or frequent resort. 7. A cheat or swindler of the lowest grade; often emphasized by dead; as, a dead beat. Beat of drum, a succession of strokes varied, in different ways, for particular purposes, as to regulate a march, to call soldiers to their arms or quarters, to direct an attack, or retreat, etc. Beat of a watch, or clock, the stroke or sound made by the action of the escapement. A clock is in beat or out of beat, according as the strokes is at equal or unequal intervals. Source: Websters Dictionary (01 Mar 1998) |
| ventricular fusion beat | A fusion beat that occurs when the ventricles are activated partly by the descending sinus or A-V junctional impulse and partly by an ectopic ventricular impulse. (05 Mar 2000) |
| parasystolic beat | A cardiac arrhythmia caused by the interaction of two foci independently initiating cardiac impulses at different rates. Generally one of the foci is the sinoatrial node (the normal pacemaker) and the ectopic focus is usually in the ventricle, but can occur in the sinus and av nodes, atrium and ventricle, and av junction. Each focus - and thus each rhythm - is protected from the influence of the other. (12 Dec 1998) |
| reciprocal beat | See: reciprocal rhythm. (05 Mar 2000) |
| retrograde beat | A beat occurring as an electrical activation of a portion of a heart chamber cephalad to the chamber of origin, e.g., an atrial beat triggered by an impulse originating in the ventricle. (05 Mar 2000) |
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