http://articles.mercola.com/sites/articles/archive/2008/01/02/posicorto.aspxClinicians with the Oregon Poison Center in Portland report that four individuals went into shock recently after clinicians switched them from mibefradil (Posicor) to other calcium channel blockers and that one of the four patients died. An AMA pressenCommunityServer 2008.5 SP1 (Build: 31106.3070)