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.
1 The test can show your heartâs structure (muscle, valves and chambers) and how well blood flows through your heart and major vessels.  MRI of the heart lets your doctor see if your heart is damaged from a heart attack, or if there is lack of blood flow to the heart muscle because of narrowed or blocked arteries.