A systematic review of selec- tive and non-selective beta blockers for prevention of vascular events in patients with acute coronary syndrome or heart failure. Neth J Med. 2009;67:284 94. 244. Chen ZM, Pan HC, Chen YP, et al. Early intravenous then oral meto- prolol in 45,852 patients with acute myocardial infarction: randomised placebo-controlled trial. Lancet. 2005;366:1622 32. 245. Ryden L, Ariniego R, Arnman K, et al. A double-blind trial of metoprolol in acute myocardial infarction. Effects on ventricular tachyarrhythmias. N Engl J Med. 1983;308:614 8. 246. Dargie HJ. Effect of carvedilol on outcome after myocardial infarction in patients with left-ventricular dysfunction: the CAPRICORN randomised trial. Lancet. 2001;357:1385 90. 247. McMurray J, Kober L, Robertson M, et al. Antiarrhythmic effect of carvedilol after acute myocardial infarction: results of the Carvedilol Post- Infarct Survival Control in Left Ventricular Dysfunction (CAPRICORN) trial. J Am Coll Cardiol. 2005;45:525 30. 248. Gibson RS, Boden WE, Theroux P, et al. Diltiazem and reinfarction in patients with non-Q-wave myocardial infarction. Results of a double- blind, randomized, multicenter trial. N Engl J Med. 1986;315:423 9. 249. Effect of verapamil on mortality and major events after acute myocar- dial infarction (the Danish Verapamil Infarction Trial II DAVIT II). Am J Cardiol. 1990;66:779 85. 250. Moss AJ, Oakes D, Rubison M, et al. Effects of diltiazem on long- term outcome after acute myocardial infarction in patients with and without a history of systemic hypertension. The Multicenter Diltiazem Postinfarction Trial Research Group. Am J Cardiol. 1991; 68:429 33. 251. Furberg CD, Psaty BM, Meyer JV. Nifedipine. Dose-related increase in mor- tality in patients with coronary heart disease. Circulation. 1995;92:1326 31. 252. 