Cardiac Crisis.

COLUMNS & DEPARTMENTS The symptoms that brought Louis to the Keck Hospital of University of Southern California seemed less than concerning at first glance. But Girn's instincts and rapid action spared his patient from an unnecessary invasive procedure that could have added to Louis' distress. Unconscious and already fighting for his life, Louis was now facing another dire prognosis: The electrocardiogram monitoring his heart had flagged a possible heart attack. [Extracted from the article]