http://en.wikipedia.org/wiki/Gastric_dilatation_volvulus bloat GDV bloat English Gastric torsion bloat gastric dilatation volvulus English Gastric Dilatation Volvulus Gastric Dilatation volvulus gastric dilatation volvulus twisted stomach (GDV) English gastric dilatation volvulus often termed Gastric Torsion Gastric dilation volvulus susceptible breed Wikipedia bloat gastric dilatation-volvulus gastric dilatation volvulus