The nurse is caring for a patient who is receiving magnesium sulfate for ventricular tachycardia
The nurse assesses a heart rate of 68 beats per minute, a respiratory rate of 10 breaths per minute, a blood pressure of 90/60 mm Hg, and decreased deep tendon reflexes. The nurse understands that these are signs of which condition?
a. Hyperkalemia
b. Hypermagnesemia
c. Impending cardiac arrest
d. Renal compromise
ANS: B
Patients with hypermagnesemia will exhibit hypotension, bradycardia, and respiratory depression, along with decreased reflexes. Hyperkalemia causes ventricular arrhythmias.
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