Hypokalemia
저칼륨혈증(hypokalemia)는 plasma K 3.6 mEq/L 일때를 말한다.
임상 양상
- 원인
- Gastrointestinal loss: diarrhea, vomiting
- Renal: Diuretics(furosemide), thiazide, renal tubular disorder(Fanconi's syndrome, Bartter syndrome, Gitelman's syndrome
- Aldosteronism: 고혈압 동반
- Thyrotoxicosis
- 대사성 산증: 설사, DKA, proximal RTA, distal RTA
- 대사성 알칼리증: 구토, 비위관 삽입
- polyuria, polydipsia
- Digitalis 독성 증가, Prominent U wave, prolonged PR interval
치료
참고
- Random measurement of the urine potassium concentration can also be used. The minimum urine potassium concentration that can be achieved with hypokalemia is 5 to 15 meq/L [1]