89. Low risk criteria for GI bleed (prescope) / high risk criteria October 15th, 2007 by reuben in .GI bleed Back Top Tags: card 88. Rx bleeding patient who has clinical & ECG evidence of myocardial ischemia / one unit of pRBCs should increase H&H by how much? / ddx GI bleeding (what else could it be?) 90. Limitations of NGT placement in GI bleed / % patients with hematochezia with UGIB Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.