Assertion: heart failure's doctor | /r/CapableOf | recommend electrocardiogram ecgtest
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Source sentences:
text: To determine the cause and extent of the symptoms and the best treatment, the doctor may also recommend x-rays; blood tests; an electrocardiogram (ECG) test, which records the electrical activity of the heart; or an echocardiogram test, which uses sound waves to produce a video image of the heart.