Student Nurse Laura

Orem – "creative effort of one human being to help another human being."

ECG and K+

Posted by Laura on February 19, 2011

K+

Hyperkalemia

Peaked narrow T waves, ST segment depression, Shortened QT interval

PR interval prolonged

Disappearance of P-waves

Decomposition and prolongation of QRS complex

Other S/S: Peripheral nervous system: muscular weakness, paralysis of respiratory and speech muscles. GI: nausea, colic, diarrhea. CNS: little effect

Tx – from fastest – slowest

  • IV Calcium Gluconate

o   (antagonizes adverse cardiac conduction abnormalities – only lasts a few minutes)

  • IV Glucose-Insulin-bicarb

o   (shifts K+ into cells)

  • Albuterol
  • Kayexalate
  • Hemodialysis

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