हाइपरकेलेमिया से पीड़ित मरीज से निम्नलिखित में से क्या रोक दिया जाना चाहिए, खासकर यदि वे गुर्दे की कमी (renal insufficiency) से पीड़ित हैं?

A postoperative patient receiving 5% dextrose in 0.45% normal saline at 160 mL/hour exhibits puffiness, a weight gain of 2 kg, confusion, and muscle cramps. The serum sodium level is reported as 126 mEq/L. Which condition is most indicated?

In cases of severe, refractory hyperkalemia accompanied by renal failure, which definitive intervention must the nurse prepare the client for?