U wave - meaning and definition. What is U wave
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What (who) is U wave - definition

ECG WAVEFORM THOUGHT TO REPRESENT REPOLARIZATION OF THE PURKINJE FIBERS
U waves
  • Electrocardiogram (ECG)]]

Wave Financial         
PROVIDER OF FINANCIAL SOFTWARE AND SERVICES FOR SMALL BUSINESSES.
Wave accounting; Wave Accounting; Wave (financial services and software)
Wave is a company that provides financial services and software for small businesses. Wave is headquartered in the Leslieville neighborhood in Toronto, Canada.
Wave (audience)         
  • international rules]] game 2014 at [[Subiaco Oval]] crowd wave
  • The wave performed at the 2013 [[Big Day Out]] music festival in [[Sydney, Australia]]
  • Crowd wave at the [[2005 FIFA Confederations Cup]]
EXAMPLE OF METACHRONAL RHYTHM ACHIEVED IN A PACKED STADIUM
La ola; Mexican Wave; Mexican waves; Doing the wave; Propagating human wave; Bleacher wave; Stadium wave; Crowd wave; Wave (crowd action); Mexican wave; Audience wave
The wave (known as a Mexican wave in the English-speaking world outside North America, as well as a translation of Mexican wave in some languages, and elsewhere as a stadium wave) is an example of metachronal rhythm achieved in a packed stadium when successive groups of spectators briefly stand, yell, and raise their arms. Immediately upon stretching to full height, the spectator returns to the usual seated position.
Mexican wave         
  • international rules]] game 2014 at [[Subiaco Oval]] crowd wave
  • The wave performed at the 2013 [[Big Day Out]] music festival in [[Sydney, Australia]]
  • Crowd wave at the [[2005 FIFA Confederations Cup]]
EXAMPLE OF METACHRONAL RHYTHM ACHIEVED IN A PACKED STADIUM
La ola; Mexican Wave; Mexican waves; Doing the wave; Propagating human wave; Bleacher wave; Stadium wave; Crowd wave; Wave (crowd action); Mexican wave; Audience wave
¦ noun an effect resembling a moving wave produced by successive sections of a stadium crowd standing up, raising their arms, lowering them, and sitting down again.
Origin
so named because of the repeated practice of this at the 1986 soccer World Cup finals in Mexico City.

Wikipedia

U wave

The 'U' wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result of its small size. 'U' waves are thought to represent repolarization of the Purkinje fibers. However, the exact source of the U wave remains unclear. The most common theories for the origin are:

  • Delayed repolarization of Purkinje fibers
  • Prolonged re-polarisation of mid-myocardial M-cells
  • After-potentials resulting from mechanical forces in the ventricular wall
  • The repolarization of the papillary muscle.