| cardiac pacing, artificial | Regulation of the rate of contraction of the heart muscles by an artificial pacemaker. (12 Dec 1998) |
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| pacing catheter | A cardiac catheter with one or more electrodes at its tip which can be used to artificially pace the heart. (05 Mar 2000) |
| underdrive pacing | Electrical stimulation of the heart at a rate lower than that of an existing tachycardia; designed to capture the heart between beats, i.e., to interrupt a reentry pathway in order to terminate the tachycardia. (05 Mar 2000) |
| analyzer | 1. One who, or that which, analyzes. 2. <optics> The part of a polarizcope which receives the light after polarization, and exhibits its properties. Source: Websters Dictionary (01 Mar 1998) |
| centrifugal fast analyzer | An automatic spectrophotometer that uses centrifugal force to mix samples and reagents, and propels the reactants at high speed about a detector that makes multiple absorbance readings. (05 Mar 2000) |
| wave analyzer | An apparatus that assesses a complex mixture of wave forms by separating out their component frequencies and displaying their distribution. (05 Mar 2000) |
| pulse height analyzer | Electronic circuitry that determines the energy of scintillations recorded by a detector, allowing use of a discriminator to select for photons of a specific type. (05 Mar 2000) |
| kinetic analyzer | An instrument that measures the rate of change in a chemical substance; used mainly for enzyme measurement. (05 Mar 2000) |