The subject of normal lab valuessimple nursing encompasses a wide range of important elements. Creatinine test - Mayo Clinic. Overview A creatinine test is a measure of how well the kidneys are doing their job of filtering waste from the blood. Creatinine is a chemical compound left over from energy-making processes in muscles.
Healthy kidneys filter creatinine out of the blood. Creatinine exits the body as a waste product in urine. Ejection fraction: An important heart test - Mayo Clinic. Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes.
When the heart squeezes, it's called a contraction. Ejection fraction is just one of many tests your healthcare professional may use to see how your heart works. The heart squeezes and relaxes. When the heart squeezes, it pumps out — or ejects — blood from the two lower heart chambers ...
Heart rate: What's normal? 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. Overview A ferritin test measures the amount of ferritin in the blood.
Ferritin is a blood protein that contains iron. This test can be used to find out how much iron the body stores. If a ferritin test shows that the blood ferritin level is low, it means the body's iron stores are low.
In this context, this is a condition called iron deficiency. Iron deficiency can cause anemia. High blood pressure (hypertension) - Symptoms & causes - Mayo Clinic. High blood pressure is a common condition that affects the body's arteries.
It's also called hypertension. If you have high blood pressure, the force of the blood pushing against the artery walls is consistently too high. From another angle, the heart has to work harder to pump blood. Blood pressure is measured in ...
Hematocrit test - Mayo Clinic. The blood sample is generally drawn with a needle from a vein in your arm. You may feel some tenderness at the site, but you'll be able to resume normal activities afterward.
Results Results from your hematocrit test are reported as the percentage of blood cells that are red blood cells.
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