Worried about QT interval prolongation? This online evidence based resource will help guide you how to measure the QT interval and calculate the QTc value with an easy to use calculator …

Jan 14, 2023 · Overview A complete blood count (CBC) is a blood test. It's used to look at overall health and find a wide range of conditions, including anemia, infection and leukemia. A …

Jun 12, 2025 · Results lower than the typical range for your age group may mean that the kidneys aren't working as they should. Albumin/creatinine ratio Another method for healthcare …

May 20, 2025 · Overview An aspartate aminotransferase test, also called an AST test, is a blood test. It's commonly used to check the health of the liver. AST is a substance found mostly in …

Feb 22, 2025 · Overview The A1C test is a common blood test for diagnosing diabetes. For people living with diabetes, the test checks how well they manage blood sugar levels. The …

Jul 9, 2024 · The thyroid peroxidase antibody test is a blood test. Sometimes it's done to help find out if a person has thyroid disease that's caused by an immune system condition. The test isn't …

Oct 22, 2025 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a health condition.

Sep 20, 2025 · To diagnose iron deficiency anemia, your healthcare professional may run tests to look for: Red blood cell size and color. With iron deficiency anemia, red blood cells are smaller …

Apr 12, 2024 · The range for a healthy hemoglobin level may differ slightly from one medical practice to another. Lower than typical results If your hemoglobin level is lower than is typical, …

Mar 21, 2025 · Low potassium is a condition in which the potassium level in your bloodstream is lower than is typical. The medical term for this condition is hypokalemia. Potassium helps carry …