— 藥理與非經腸給藥 · EASY · MCQ —
護理師給予環利尿劑(Loop diuretic),最可能發生哪種電解質不平衡?
A nurse is administering a loop diuretic. Which electrolyte imbalance is most likely to occur?
- AHypokalemia✓ 正解低血鉀
- BHyponatremia低血鈉
- CHyperkalemia高血鉀
- DHypercalcemia高血鈣
— Explanation · 中文詳解 —
Loop 利尿劑(如 Furosemide)作用於 Henle 氏環,抑制鈉、氯、鉀離子的再吸收,因此最容易導致低血鉀(Hypokalemia)。高血鉀通常與保鉀利尿劑相關,低血鈉雖也會發生,但臨床上低血鉀的危險性更高且更常見。
Loop diuretics act on the loop of Henle to inhibit the reabsorption of sodium, chloride, and potassium, making hypokalemia the most likely and clinically significant electrolyte imbalance. While hyponatremia may also occur, potassium depletion poses a greater risk for cardiac arrhythmias and requires vigilant monitoring.
✦ 台美臨床差異
兩地均依循常規監測電解質指標。