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Jun102013

03:07:31 am

Defining a Stress Test and It's Uses




The human bodied is designed to do certain things when it is stressed. Certain, predictable biochemical reactions also take place. One way your body reacts to stress is by getting your heart to work harder, essentially increasing cardiac output. That simply means your blood pressure and heart rate both increase to help your body cope with the stressful situation. A doctor will perform a stress test to determine how your heart can handle the extra demands, which is what stress tests excel at.

Your heart needs to have the normal capacity and ability to perform the heavy load placed on it. Ascertaining that your heart is healthy and normal is the main goal of a stress test, no matter the reason your doctor ordered it. The simple treadmill / exercise stress test is used a lot in medicine, nowadays. Such a test can make use of both treadmills and stationary bikes as well as other equipment. Special leads are connected to the chest of the patient in order to monitor the heart and it's electrical activity. The ECG or electrocardiogram will reveal whether the heart is normal and healthy. Conversely, a heart that is having difficulty with the demands placed on it will be also be reflected in the ECG.

The simplistic stress test is a system that is not as complex as other similar stress tests such as the nuclear stress test. During a general test like with a treadmill or standing bicycle test, the individual heart has to be watched. This is done via check it out an EKG or ECG monitor. The patient then has to walk at a standard speed on the treadmill. Slowly, the pace of the treadmill is raised so that the stress on the heart goes up or the heart is in stress. All this time, a doctor is present as well as other health technicians, to perform the test and be present in the event of any immediate problems. Also, while this is going on, the blood pressure and rate of the patient is closely supervised.

Another traditional kind of group testing is known as the nuclear stress test. This version of testing can be used with varied radioactive isotopes. The purpose of a nuclear stress test is to see a healthy heart muscle that function properly. The various sections of the heart will soak up the isotope and then turn into an image that can be seen clearly. The outcome will be to tell which areas of the heart is not getting the right amount of blood. This will then tell about the possible blockages. Every kind of cardiac stress test has pros and goal. They serve to help doctors make the most accurate diagnosis possible. Do not forget that there are desired conditions of each test that will or could have an effect on how accurate the results and diagnosis can be.

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