Thursday, July 28, 2011

A Glance of Cardiac Stress Tests



The human bodied is designed to do certain things when it is stressed. We also react in predictable ways from a biochemical point of view. One well-known reaction to stress is increased heart rate. To put it differently, heart rate and blood pressure rise, providing your body with the strength it requires to handle the situation causing you stress. A doctor will perform a stress test to determine how your heart can handle the extra demands, which is what stress tests excel at.

One variety of nuclear stress test uses Thallium, which is a radioactive compound. Remember that there is no harm caused to the body since they use very small amounts of the substance. Thallium's radioactive levels also decrease over time and it is quickly eliminated from the body via natural means.

However, Thallium is the compound that permits doctors to recreate an accurate image of the size of your heart's chambers. Using this data, doctors can determine what state your heart is in as well as other matters. Doctors can also use these images to discover how effective your heart is at pumping blood. Doctors can also determine if there is any heart damage based on these images. A cardiac stress test is performed because your doctor wishes to ascertain the health of your heart. There are also other motives behind the use of a stress test. For example, this kind of test can be given to assess an optimum and safe amount of exercise for any person. Determining the level of risk of various events, such as cardiac arrest, occurring is another reason stress tests are employed. However, since a stress test is primarily used to check the condition of the heart, then obviously the doctor wants to have it done for a reason. Simply because a stress test has been ordered in no way implies that the patient should assume the worst.

It is extremely important that your heart receives normal and adequate blood supplies during heightened stressful situations and levels of physical activity. Stress tests might be needed for things such as how efficient particular heart medications are for a certain condition. Such medicines are generally administered for angina and as a way to get control of other symptoms. Another very vital application is to find out how a specific medical procedure was formed such as bypass operations or the usage of stints. Plenty of times people will get irregular heartbeats over the years, and stress tests are a way to continue monitoring these. Every kind of cardiac stress test has pros and goal. They serve to help doctors make the most accurate diagnosis possible. Remember that there are certain circumstances with each test that might have an effect on how the results and diagnosis are in terms of accuracy.

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