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Bumetanide, sold under the brand name Bumex among others, is a medication used to treat swelling and high blood pressure. [2] This includes swelling as a result of heart failure, liver failure, or kidney problems. [2] It may work for swelling when other medications have not. [2] For high blood pressure it is not a preferred treatment. [2]
Potassium-sparing diuretics or antikaliuretics [1] refer to drugs that cause diuresis without causing potassium loss in the urine. [2] They are typically used as an adjunct in management of hypertension, cirrhosis, and congestive heart failure. [3] The steroidal aldosterone antagonists can also be used for treatment of primary hyperaldosteronism.
However, for torsemide and bumetanide, their oral bioavailability is consistently higher than 90%. Torsemide has a longer half life in heart failure patients (6 hours) than furosemide (2.7 hours). A 40 mg dose of furosemide is clinically equivalent to a 20 mg dose of torsemide and to a 1 mg dose of bumetanide. [6]
Hypokalemia is a low level of potassium (K +) in the blood serum. [1] Mild low potassium does not typically cause symptoms. [3] Symptoms may include feeling tired, leg cramps, weakness, and constipation. [1] Low potassium also increases the risk of an abnormal heart rhythm, which is often too slow and can cause cardiac arrest. [1] [3]
The thiazides cause a net decrease in calcium lost in urine. [7] The potassium-sparing diuretics cause a net increase in calcium lost in urine, but the increase is much smaller than the increase associated with other diuretic classes. [7] By contrast, loop diuretics promote a significant increase in calcium excretion. [8]
Diagnosis of contraction alkalosis is made by correlating laboratory data with clinical history and examination. Metabolic alkalosis in the presence of decreased effective circulatory volume, loop diuretic use, or other causes of intravascular depletion such as profound diarrhea should raise suspicion for contraction alkalosis as a likely etiology in the absence of other causes.
Low potassium is caused by increased excretion of potassium, decreased consumption of potassium rich foods, movement of potassium into the cells, or certain endocrine diseases. [3] Excretion is the most common cause of hypokalemia and can be caused by diuretic use, metabolic acidosis , diabetic ketoacidosis , hyperaldosteronism , and renal ...
Removal of too much fluid can cause volume depletion and hypotension. Various electrolyte abnormalities may result, including hyponatremia (low sodium), hypokalemia (low potassium), hypochloremia (low chloride), hypomagnesemia (low magnesium ), hypercalcemia (high calcium ), and hyperuricemia (high uric acid ).