D2I2.
acute

Gastric volvulus

volvulus or volvulus of stomach is a twisting of all or part of the stomach by more than 180 degrees with obstruction of the flow of material through the stomach, variable loss of blood supply and possible death. The twisting can occur around the long axis of the stomach, called organoaxial, or around the axis perpendicular to this, called mesenteroaxial. Obstruction is more likely with organoaxial twisting than with mesenteroaxial, while the latter is more associated with . About one third of the cases are associated with a hiatal hernia. Treatment is surgical.

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Plain-language summary adapted from Wikipedia. Not medical advice.