Kidnapped by the SLA. On February 4, 1974, at the age of 19, Patty Hearst was taken hostage by members of the Symbionese Liberation Army, who aimed to garner a hefty ransom from her wealthy father.
There is also a blood test for B-type natriuretic peptide (BNP), which can indicate active heart failure. Electrocardiogram (ECG or EKG) to assess the heart rate and rhythm. This test can often detect heart disease, heart attack, an enlarged heart, or abnormal heart rhythms that may cause heart failure.
The most common tests are: 1  EKG (electrocardiogram). This detects and records your heart's electrical activity, with certain EKG results suggesting pericarditis. 2  Chest X-ray. A chest X-ray takes pictures of the inside of the chest, including your heart, lungs and blood vessels. 3  Echocardiography.