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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 ... Ideal blood pressure is categorized as normal . Increased blood pressure may be categorized as elevated, stage 1 or stage 2 depending on the specific numbers. A diagnosis of high blood pressure is usually based on the average of two or more readings taken on separate visits. 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. This is a condition called iron deficiency. Iron deficiency can cause anemia. The new normal range an hour. Therefore,even a 10 for blood pressure recommended by cigarette per day habit elevates your the American Heart Association is blood pressure for most of the day. below120/80.