EKG Exam

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created 1 year ago by jcalvillo883
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1

What is hypernatremia?

  • Too much sodium in the bloodstream
  • Inhibits calcium entry into the cell
  • Depresses overall heart activity and becomes flaccid (negative inotropy)
2

What is hypercalcemia?

  • Too much calcium in the bloodstream
  • Negative chronotropic and increased ionotropy (-, +)
  • Increased heart irritability
  • More calcium into the cytoplasm
3

What is hyperkalemia?

  • Too much potassium in the bloodstream
  • Peaked T waves
  • Tented T waves
4

What is hyponatremia?

  • Depolarization delay
  • Decreased heart rate
5

What is hypocalcemia?

  • Increased chronotropy and decreased ionotropy (+, - )
  • Less heart contractility
6

What is hypokalemia?

  • Lowers RMP (makes it more negative)
  • Decreases heart rate
  • U waves