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.
Limitations of the electrocardiogram. An electrocardiogram (ECG) is a simple and valuable test. Sometimes it can definitely diagnose a heart problem. However, a normal ECG does not rule out serious heart disease. For example, you may have an irregular heart rhythm that 'comes and goes' and the recording can be normal between episodes.