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Medical Dictionary

1

spike

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noun \ˈspīk\

Medical Definition of spike

  1. :  a change (as in voltage) involving a sharp increase and fall or a recording of this: asa:  the pointed element in the wave tracing in an electroencephalogramb:  a sharp increase in body temperature followed by a rapid fall <a fever with spikes to 103°>c:  the sharp increase and fall in the recorded action potential of a stimulated nerve cell that during the increasing phase corresponds to an inrush of sodium ions to the interior of the cell and during the decreasing phase corresponds to a slowing of the influx of sodium ions and to an increasing efflux of potassium ions to the exterior:  action potential




2

spike

transitive verb

Medical Definition of spike

spikedspik·ing

  1. :  to undergo a sudden sharp increase in (temperature or fever) usually up to an indicated level <infected patients spiked fevers as high as 105°F>





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