Medical dictionary. 2011.
reciprocating tachycardia — a tachycardia due to a reentrant mechanism and characterized by a reciprocating rhythm (q.v.) … Medical dictionary
rhythm — 1. Measured time or motion; the regular alternation of two or more different or opposite states. 2. SYN: r. method. 3. Regular or irregular occurrence of an electrical event in the electrocardiogram or electroencephalogram. SEE ALSO: wave. 4.… … Medical dictionary
Supraventricular tachycardia — Classification and external resources Lead II electrocardiogram strip showing SVT with a heart rate of about 150. ICD 10 I … Wikipedia
atrioventricular nodal reentrant tachycardia — tachycardia resulting from reentry in or around the atrioventricular node, characterized by a QRS complex of supraventricular origin, sudden onset and termination, and a regular rhythm at a rate of 150 to 250 beats per minute. See also antidromic … Medical dictionary
Oscillation — For other uses, see oscillator (disambiguation) and oscillation (mathematics). An undamped spring–mass system is an oscillatory system. Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a… … Wikipedia
Ecology — For other uses, see Ecology (disambiguation). Ecology … Wikipedia
Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance … Wikipedia
Grater — Cheese grater redirects here. For the industrial tool, see surform. For the skyscraper in London, see 122 Leadenhall Street. For the building at Leicester University, see Attenborough Building. For the UCL magazine, see The Cheese Grater. Grater … Wikipedia
Balance shaft — In piston engine engineering, a balance shaft is an eccentric weighted shaft which offsets vibrations in engine designs that are not inherently balanced (for example, most four cylinder engines). They were first invented by British engineer… … Wikipedia
PRR S1 — Infobox Locomotive name=Pennsylvania Railroad S1 powertype=Steam caption=Industrial designer Raymond Loewy stands on the front of the S1 railroad=Pennsylvania Railroad gauge=RailGauge|ussg|lk=on builder=Pennsylvania Railroad serialnumber=Altoona… … Wikipedia
