Cardiologists turn to one common tool when they need to diagnose heart disease – the stress test. When a stress test is performed, a doctor will work with trained technicians to achieve the best results possible. There are different types of stress tests and each one has very specific requirements. Not only do the specific tests involved influence the reliability of the diagnosis but also the conditions of the testing as well. One thing doctors want to discover is just how much stress the heart can take before it impacts the behavior or functioning of the heart. The exercise stress test is seen more than others, although each one has their particular application best suited to them.
The heart must have both regular capacity but also the ability to function well, even in stressful conditions with an excessive load. While there are many reasons a doctor would require a stress test, none of them are for anything other than ascertaining the health and normalcy of your heart. The non-nuclear stress test, or the simple exercise/treadmill stress test is widely used in medicine, today. Both treadmills and stationary bikes can be used for these tests. Special leads are connected to the chest of the patient in order to monitor the heart and it’s electrical activity. An electrocardiogram will show a healthy and normal heart. The electrocardiogram will also reveal if there are problems with the heart.
Determining the health of the heart is the reason doctors demand stress tests be performed. A stress test can also be used to determine other vital information. Determining the right amount of exercise for a patient to perform is another reason stress tests are used. Stress tests are also performed to determine how likely the patient is to suffer from something like a heart attack. There is a good reason a doctor will demand a stress test be performed, considering that they are used to check the health of the heart. Just because your doctor has demanded such a test doesn’t mean you should presume that something is wrong.
Various factors can influence the reliability of the isotope stress test. For example, a target heart rate must be attained, and of course the image quality must be sufficient. If these vital conditions are satisfied, such a stress test can return a reliable diagnosis in almost 85% of subjects who suffer from coronary artery disease. Thus, there is no full guarantee of an accurate diagnosis and as you can see there are other contributing factors. An accurate diagnosis can also be affected by many other problems including false positives.
The nuclear stress test is a critical instrument for doctors to determine whether the heart has any problems. If you ever need to have one performed, you should ask your doctor as many questions as possible. The more you enquire, the more you will learn about your condition and situation.
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