The nurse is caring for a chronic hemodialysis client admitt…

The nurse is caring for a chronic hemodialysis client admitted to the intensive care unit for an acute exacerbation. Vital signs show: BP 73/35, HR 127, RR 28, O2 sat 82% with bilateral crackles. The clients current potassium level is 7.5 mEq/L. The nurse should prepare for which treatment?