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Heart Attack Test May Cut Emergency Room Diagnosis to One Hour
San Francisco Chronicle

Doctors may be able to diagnose a heart attack in one hour using a new test approach that could save time, money and crowding in hospital emergency rooms, researchers said. Using more-sensitive screening technology to detect changes in cardiac troponin, a substance in the blood tested for evidence of heart attack, and inputting the data into an algorithm, doctors were able to determine whether a heart attack had occurred in 77 percent of patients within an hour of arriving at the hospital with chest pain, according to research published in the Archives of Internal Medicine.