64. 12 critical syncope etiologies October 15th, 2007 by reuben in .syncope Back Top Tags: card 63. 9 RFs for pericarditis & myocarditis / significant discrepancy in upper extremity BP suggests / Narrow pulse pressure suggests / Describe Hamman's sign 65. Less critical causes of syncope Responses to “64. 12 critical syncope etiologies” dysrhymia = inability to make rhymes. reuben at 2007-10-15 20:50 Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.