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ekg- TERMIINOLOGY
cardio
| Question | Answer |
|---|---|
| dysrythmia | change in rhythm which violates the criteria |
| automaticity | the pacing function of the heart |
| excitability | the ability to respond to an electrical pulse |
| conductivity | the ability to transmit the electrical pulse |
| contractility | the ability of the cardiac cells to shorten in response to an electrical stimulus |
| ectopic | occurring during the refractory period |
| refractory period | the return to normal period |
| unifocal | going in the same direction |
| multifocal | going in different directions |
| polarization | cell at rest and ready for impulse |
| depolarization | reversal of the electrical charge across the cell membrane |
| polerization and depolerization = | NA and K changing places |
| repolerization | recovery of the cell to its original polerized states |
| repolerization = | RNA and K returning to their original postions the cell is refractory during this time period if ti does recieve an impulse, cellular irratibility begins |
| Autonomic = | rate of impulse formation speed conduction strenght of contraction |
| parasympathtic = | vagus nerve stimulator decreaase rate slows impulse control decreaased force of contraction |
| sympathetic | increased rate increased orce of contraction |
Created by:
mmishue