Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs VolvulusUpdated: 2017-06-13OverviewTwisting or knotting can block the intestine and obstruct blood flow. This is most commonly due to a birth defect called malrotation, which occurs during fetal development. It can also occur in older adults with constipation. SymptomsSymptoms include belly pain and bloating, nausea, bloody stools, and constipation. TreatmentsEmergency surgery is necessary to repair the volvulus and remove possible dead tissue. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use