标签： 感染性门诊

无症状菌尿：哪些人真正需要抗生素

尿培养呈阳性而感觉完全健康的人通常不需要治疗感染。两类人群确实需要抗生素——而最常犯错误的一种非常常见的情况是伴有意识模糊的老年人。.

White Cells in the Urine With a Negative Culture: What Sterile Pyuria Actually Means

A urine test showing inflammation but growing no bacteria is not a failed antibiotic — it is a signal to look elsewhere. The two causes most often missed are a sexually transmitted infection and urinary tuberculosis.

残余尿量：这个数值意味着什么，以及它不能告诉你什么

A scan after you have emptied your bladder, measuring what is left. Useful — but it varies hugely between visits, a single reading should not decide anything, and it never explains why the bladder is not emptying.