Scope and Contents Persented by the National Heart Institute. Narrated by Charles Rodgers and produced by the Heart Information Center. 1 "Alpha-Methyl DOPA proves effective for hypertension." 2 "Countershocks saves hearts with abnormal rhythms." 3 "Diet modification shown practical in pilot study." 4 "Profile of aging emerging from unique National Heart Institute study." 5 "Conduction system locator helps lesser dangers of open-heart...