Methods of diagnosis
12 بهمن 1398
Methods ofdiagnosis
The tests you’ll need to diagnose your heart disease depend on what condition your doctor thinks you might have. No matterwhat type of heart disease you have, your doctor will likely perform a physicalexam and ask about your personal and family medical history before doing anytests. Besides blood tests and a chest X-ray, tests to diagnose heart diseasecan include:
- Electrocardiogram(ECG). An ECG records these electrical signals and can help your doctordetect irregularities in your heart’s rhythm and structure. You may havean ECG while you’re at rest or while exercising (stresselectrocardiogram).
- Holtermonitoring: A Holter monitor is a portable device you wear to record acontinuous ECG, usually for 24 to 72 hours. Holter monitoring is used todetect heart rhythm irregularities that aren’t found during a regular ECGexam.
- Echocardiogram:This noninvasive exam, which includes an ultrasound of your chest, showsdetailed images of your heart’s structure and function.
- Stress test: This type of testinvolves raising your heart rate with exercise or medicine whileperforming heart tests and imaging to check how your heart responds.
- Cardiaccatheterization: In this test, a short tube (sheath) is inserted into avein or artery in your leg (groin) or arm. A hollow, flexible and longertube (guide catheter) is then inserted into the sheath. Aided by X-rayimages on a monitor, your doctor threads the guide catheter through thatartery until it reaches your heart.
- Thepressures in your heart chambers can be measured, and dye can be injected.The dye can be seen on an X-ray, which helps your doctor see the bloodflow through your heart, blood vessels, and valves to check forabnormalities.
- Cardiaccomputerized tomography (CT) scan: This test is often used to check forheart problems. In a cardiac CT scan, you lie on a table inside adoughnut-shaped machine. An X-ray tube inside the machine rotates aroundyour body and collects images of your heart and chest.
- Cardiac magnetic resonance imaging(MRI): For this test, you lie on a table inside a long tube-like machinethat produces a magnetic field. The magnetic field produces pictures tohelp your doctor evaluate yourheart.
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