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.
Tests to Diagnose a Heart Attack. 1  ECG . The ECG (also known as EKG or electrocardiogram) can tell how much damage has occurred to your heart muscle and where it has occurred. 2  Blood tests. Blood may be drawn to measure levels of cardiac enzymes that indicate heart muscle damage. 3  Echocardiography.