Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Medically reviewed by Yasmine S. Ali, MD, MSCIMedically reviewed by Yasmine S. Ali, MD, MSCI The red blood cell (RBC) count is a test that measures the number of oxygen-carrying blood cells in your ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

DKA is a complication of diabetes that can cause many symptoms. Various lab tests can confirm a diagnosis of DKA. These include ABG tests, which measure different components of the blood. In this ...

DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked her ...