| 词汇 | hyperkalaemia |
| 释义 | hyperkalaemia noun[ U ] medical specialized(UShyperkalemia)uk /ˌhaɪ.pə.kəˈliː.mi.ə/ us /ˌhaɪ.pɚ.kəˈliː.mi.ə/ a condition in which there is too much potassium in the blood, which may be caused by diuretics (= substances that increase the production of urine) having been used too often or kidney failure高钾血症 Disorders & diseases of the heart & blood acidosis acquired agammaglobulinemia adult-onset diabetes afib agammaglobulinemia anaemic apoplexy clot-busting coarctation of the aorta congenital erythropoietic porphyria congestive heart failure coronary heart disease decompression sickness furred MGUS mini-stroke mitral monoclonal gammopathy of unknown significance monocyte disorder toxaemia Examples of hyperkalaemiahyperkalaemia Positive benefits on morbidity and mortality were found without serious hyperkalaemia. In older patients there is a greater risk of hyperkalaemia due to reduced renal function. Potassium-sparing diuretics and trimethoprim-sulfamethoxazole produce hyperkalaemia by interfering with potassium secretion in the distal part of the nephron. Correction of acid-base disturbances will also alleviate hyperkalaemia. This has clinical consequences: for example, the toxic effects of hyperkalaemia can be mitigated by promoting movement of small amounts of potassium into cells. Some of the drugs causing hyperkalaemia, and the mechanisms, have already been discussed. Uncontrolled hyperkalaemia, acidosis and fluid overload are usually the reasons for instituting dialysis. Patients taking an angiotensin-converting enzyme inhibitor such as ramipril and the aldosterone antagonist spironolactone can develop life-threatening hyperkalaemia. In chronic renal failure, the most common cause of hyperkalaemia is potassiumretaining drugs. The management of hyperkalaemia in the older patient with renal failure is no different from that of younger individuals. Normal cells may be exposed to hyperkalaemia; abnormal cells may be perfused by normal environment. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Respiratory distress, impaired consciousness, pulmonary edema, infiltration on chest x-ray, shock, arrythmias, renal failure requiring haemodialysis, metabolic acidosis, and hyperkalaemia may occur in severe cases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. He then falsifies and plants blood work results indicating that his wife is in a state of hyperkalaemia, so she is transferred to the hospital, since he intended that. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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