A 61-year-old man with stage 4 chronic kidney disease presents with muscle weakness and palpitations. Vital signs: BP 158/92, HR 108, RR 20, Temp 37.2°C, SpO2 98%. Serum potassium is 7.2 mEq/L; ECG shows peaked T waves. He takes lisinopril and metoprolol. He receives insulin with dextrose, nebulized albuterol, and intravenous calcium gluconate without improvement. Which intervention definitively removes potassium from the body?
- A)Intravenous calcium gluconate
- B)Intravenous sodium bicarbonate
- C)Regular insulin with dextrose
- D)Nebulized albuterol
- E)HemodialysisGABARITO
Explicação
Hemodialysis definitively removes potassium from the bloodstream. Other interventions shift potassium or stabilize membranes. Ver explicação completa e trilha adaptativa →