Skip to main content. Founded in 1938 by Curtis L. Carlson and family-owned to this day, Carlson does business in more than 150 countries and territories. Through our portfolio of operating businesses we have always sought to make business a source of opportunity for others and an engine of positive change in the world.
Since exercise requires more energy, your heart beats faster to deliver more oxygen through the blood. By measuring how fast your heart is beating, Fitbit trackers with PurePulse technology can more accurately gauge how many calories youâre burning.ptimize your health with charts & graphs. Get instant heart rate readings all day, every day. Analyze your heart rate over time to identify trends and manage stress. Review resting heart rate trends to see when health and fitness are improving.
Other symptoms are weakness or dizziness, and increasing fatigue.. An important part of the diagnosis is recent medical history. During a physical examination, your doctor may look for fluid in the lungs, an enlarged heart, or a heart murmur, which is the sound made when blood moves through a stiff or leaky valve. Your doctor may suggest further testing for evaluation. The test to diagnose mitral regurgitation is an echocardiogram. Sound waves are aimed at the heart allowing a detailed picture of the structure of the valves, allowing the assessment of leaks. The strength of the heart muscle can also be assessed.