Exercise test
Exercise Test
An Exercise Test (pronounced: ex-er-cise test), also known as a Stress Test or Treadmill Test, is a medical procedure that measures the heart's ability to respond to external stress in a controlled clinical environment. The stress response is induced by exercise or drug stimulation.
Etymology
The term "Exercise Test" is derived from the English words "exercise" (from the Latin "exercitus", past participle of "exercere" meaning to keep busy or to work) and "test" (from the Old French "test", derived from the Latin "testum" meaning an earthen pot used in testing precious metals).
Procedure
During an Exercise Test, the patient is connected to equipment to monitor the heart. The patient then walks on a treadmill or pedals a stationary bike to increase heart rate. The test evaluates the heart's response to this physical exertion, including changes in heart rhythm or electrical activity.
Related Terms
- Electrocardiogram (ECG or EKG): A test that measures the electrical activity of the heartbeat.
- Cardiopulmonary Exercise Test (CPET): A more comprehensive version of the exercise test that also measures lung function.
- Myocardial Perfusion Imaging (MPI): A test that uses a small amount of radioactive substance to visualize the blood flow to the heart during rest and exercise.
Indications
An Exercise Test is often used to:
- Determine the likelihood of Coronary Artery Disease (CAD)
- Evaluate the effectiveness of cardiac treatment plans
- Determine safe levels of exercise in patients planning to start exercise programs
- Predict risk of dangerous heart-related conditions such as a heart attack
Risks
While generally safe, an Exercise Test may cause abnormal heart rhythms or rarely, a heart attack. These risks are increased in people with existing heart disease or poor physical condition.
External links
- Medical encyclopedia article on Exercise test
- Wikipedia's article - Exercise test
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