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.
Doctors use a test called an EKG (electrocardiogram) to help diagnose heart block. This test detects and records the heart's electrical activity. An EKG records the strength and timing of electrical signals as they pass through the heart. The data are recorded on a graph so your doctor can study your heart's electrical activity.