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    الثلاثاء، 24 مايو 2016

    Knowing The Health Of Your Heart Through Cardiac Stress Test

    By Andrew Wright


    Physicians say that some heart problems can be easily diagnosed if your heart is beating faster or working hard. Stress testing, therefore, gives information of your heart and how it works when subjected to physical strain. When performing a cardiac stress test, you walk on a treadmill or you can pedal fixed bike. This causes your heart to work harder as well as beat faster. The heart tests are performed while you exercise.

    It may be impossible to do exercises when your heart is undergoing testing because of arthritis or certain medical problems. In such a circumstance, the doctor prescribes drugs to subject the heart to hard work, similar to when doing an exercise. This is a kind of testing referred to as pharmacological stress testing.

    Physicians use heart testing methods to diagnose the coronary heart disease or find out its severity. Coronary heart disease arises when a waxy substance known as plaque builds in your coronary arteries, which carry blood rich in oxygen to the heart. When the plaques build up, they narrow the arteries thereby reducing blood flow to the heart muscle. Plaques can also increase blood clot which seriously block the flow of blood through the artery. This is when conditions such as angina or chest pain and heart attack arise.

    It may not be possible sometimes to show signs of ailing from a coronary heart disease. Nevertheless, this condition is detectable whenever the heart is working hard. This is because when your heart is working harder during exercises, more oxygenated blood will be required. Narrow arteries to assist the heart function properly may not supply sufficient blood. It is only during activities that symptoms of the coronary heart disease can be seen.

    During the testing, other problems can be detected. These problems suggest that the heart is not getting sufficient blood with oxygen during exercise. First, the test can indicate abnormal changes, blood pressure or heart rate. Secondly, signs of shortness of breath and chest pain can be detected during low levels of exercise and abnormal heart rhythm.

    Evidence of insufficient flow of the blood in your heart can arise if you are not able to complete your healthy exercise on time during the testing that is considered for your age. However, not only the coronary disease that can lower duration of the exercise but also other factors, such as lung disease, poor fitness, and anemia. Heart valve disease and heart failure are among the conditions a physician can examine using a stress testing.

    Various tests can be used by your doctor in Princeton, NJ, although the most common is the one known as exercise stress testing. This test is also called treadmill test and is used to give information on how the heart responds to physical strain. When undertaking this exam, heart rate, blood pressure and electrocardiogram are monitored.

    Your doctor may as well employ nuclear stress testing. This is important in finding out parts of the heart that are healthy or unhealthy. The doctor administers an injection with a radioactive substance in a small amount and observes the rays produced by the element using a special camera. Exact areas in your heart with dwindling in blood supply can be detected in this way.




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