患者男性 ,33岁 ,泰国建筑工人 ,受雇于 Brunei 3年 ,表现双手和足间断性麻木。体检无阳性体征。肾功试验正常。血钾 7.7mmol/ L(正常范围 3.3～ 5 .0 mmol/ L)。排除常见疾病、药物、中药、透析和血液污染所致的血钾升高。多个标本出现一系列错误和无意义数值 ,在 4.0～ 14 .3 Patient Male, 33, Thai construction worker, employed by Brunei for 3 years, showing numbness in both hands and feet. No physical examination positive signs. Renal function test is normal. Serum potassium 7.7mmol / L (normal range 3.3 ~ 5.0 mmol / L). Exclude common diseases, drugs, traditional Chinese medicine, dialysis and blood pollution caused by elevated potassium levels. A number of samples showed a series of false and meaningless values ​​at 4.0 to 14.3