880. Malrotation with midgut valvulus: Age of onset, male to female ratio, pathophys, s/sx, imaging findings, Rx // Three different double-bubble signs April 1st, 2009 by reuben in kids GI Back Top Tags: card 879. Hypertrophic pyloric stenosis: Prevalence, male vs. female, acid-base disturbance, usual age, s/sx, signs on imaging, ddx, Rx 881. Necrotizing enterocolitis: what % full term? When does it present? RFs? Three clinical stages? Rx? Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.