2023年8月5日 · A BUN test measures the amount of urea nitrogen that's in your blood. Here's how your body typically forms and gets rid of urea nitrogen: Your liver produces ammonia — which contains nitrogen — after it breaks down proteins used by your body's cells.

2021年7月14日 · "Normal BUN levels can vary, but generally a high level of blood urea nitrogen is a sign that your kidneys are not working correctly. However, abnormal results don't always indicate that you have a medical condition needing treatment.

2023年8月5日 · Mayo Clinic Laboratories. Blood urea nitrogen (BUN), serum. https://www.mayocliniclabs.com/test-catalog/Clinical+and+Interpretive/81793. Accessed April 17, 2021. Rodwell VW, et al. Catabolism of proteins & of amino acid nitrogen.

2023年8月5日 · 血尿素氮（bun）测定是一种常见的血液检测，可以反应出有关肾脏工作状况的重要信息。bun 测定测量的是血液中的尿素氮量。 以下是身体通常是如何形成和去除尿素氮的： 肝脏在分解身体细胞使用的蛋白质之后产生含有氮的氨。

2024年1月28日 · Journalists: Broadcast-quality video pkg (1:05) is in the downloads at the end of the post. Please "Courtesy: Mayo Clinic News Network." Read the script. "People think of hair loss or pattern baldness happening only to men," says Dr. Dawn Davis, a Mayo Clinic dermatologist..

2023年2月14日 · During your annual physical, your primary care team ran typical, routine labs. Scrolling through your online patient portal to view the results, you’re shocked to see some labs flagged as red — your liver enzymes are elevated.

2011年2月4日 · Low White Blood Cell Count Not Always a Sign of Medical Problem February 4, 2011 Dear Mayo Clinic: I was told after my recent physical that my white blood cell count was low. Is this something to be concerned about? Am I more susceptible to catch colds or viruses? Answer: A low white blood cell […]

2023年5月11日 · Clinical trials. Explore Mayo Clinic studies testing new treatments, interventions and tests as a means to prevent, detect, treat or manage this condition.. Preparing for your appointment. Make an appointment with your primary care provider if you have long-lasting fatigue or other symptoms that worry you.

Inactive: Never or rarely include physical activity in your day. Somewhat active: Include light activity or moderate activity about two to three times a week. Active: Include at least 30 minutes of moderate activity most days of the week, or 20 minutes of vigorous activity at least three days a week. Very active: Include large amounts of moderate or vigorous activity in your day.

2023年2月9日 · Overview. A creatinine test is a measure of how well your kidneys are performing their job of filtering waste from your blood. Creatinine is a chemical compound left over from energy-producing processes in your muscles.