Oxygen therapy for acute myo- cardial infarction. Cochrane Database Syst Rev. 2010:CD007160. 215. Moradkhan R, Sinoway LI. Revisiting the role of oxygen therapy in car- diac patients. J Am Coll Cardiol. 2010;56:1013 6. 216. Goldstein RE, Rosing DR, Redwood DR, et al. Clinical and circulatory effects of isosorbide dinitrate. Comparison with nitroglycerin. Circulation. 1971;43:629 40. 217. Bassan MM. The daylong pattern of the antianginal effect of long-term three times daily administered isosorbide dinitrate. J Am Coll Cardiol. 1990;16:936 40. 218. Kohli RS, Rodrigues EA, Kardash MM, et al. Acute and sustained effects of isosorbide 5-mononitrate in stable angina pectoris. Am J Cardiol. 1986;58:727 31. 219. Kaplan K, Davison R, Parker M, et al. Intravenous nitroglycerin for the treatment of angina at rest unresponsive to standard nitrate therapy. Am J Cardiol. 1983;51:694 8. 220. Melandri G, Branzi A, Tartagni F, et al. Haemodynamic effects of meto- prolol and intravenous nitroglycerin versus metoprolol alone in patients with acute myocardial infarction. Eur Heart J. 1987;8:592 6. 221. Yusuf S, Collins R, MacMahon S, et al. Effect of intravenous nitrates on mortality in acute myocardial infarction: an overview of the randomised trials. Lancet. 1988;1:1088 92. 222. Charvat J, Kuruvilla T, al AH. Beneficial effect of intravenous nitro- glycerin in patients with non-Q myocardial infarction. Cardiologia. 1990;35:49 54. 223. Karlberg KE, Saldeen T, Wallin R, et al. Intravenous nitroglycerin reduces ischaemia in unstable angina pectoris: a double-blind placebo- controlled study. J Intern Med. 1998;243:25 31. 224. Peacock WF, Emerman CL, Young J. Nesiritide in congestive heart fail- ure associated with acute coronary syndromes: a pilot study of safety and efficacy. J Card Fail. 2004;10:120 5. 225. Cheitlin MD, Hutter AM Jr., Brindis RG, et al. Use of sildenafil (Viagra) in patients with cardiovascular disease. Technology and Practice Executive Committee. Circulation. 1999;99:168 77. 226. 