GI: vomiting; diarrhea; Gastrointestinal suction Skin: excessive sweats furosemide diuretic ③ losses diamox diuretic phase ofARF ren: pyelonephritis primary hyperaldosteronism lack of magnesium renal tubular acidosisGI: vomiting; diarrhea; Gastrointestinal suction Skin: excessive sweats furosemide diuretic ③ losses diamox diuretic phase of ARF ren: pyelonephritis primary hyperaldosteronism lack of magnesium renal tubular acidosis