Practice Commentary: Controversies in SIGN guidance on management of acute upper and lower gastrointestinal blood loss BMJ 2008; 337 doi: https://doi.org/10.1136/bmj.a1836 (Published 10 October 2008) Cite this as: BMJ 2008;337:a1836 Article Related content Metrics Responses Peer review Related articles Practice Management of acute gastrointestinal blood loss: summary of SIGN guidelines Published: 10 October 2008; BMJ 337 doi:10.1136/bmj.a1832 See more Adrenal insufficiency: identification and management—summary of new NICE guidance BMJ May 01, 2025, 389 r330; DOI: https://doi.org/10.1136/bmj.r330 Identification, assessment, and management of gambling-related harms: summary of NICE guideline BMJ March 11, 2025, 388 r323; DOI: https://doi.org/10.1136/bmj.r323 Diagnosis and management of endometriosis: summary of updated NICE guidance BMJ January 31, 2025, 388 q2782; DOI: https://doi.org/10.1136/bmj.q2782 Meningitis (bacterial) and meningococcal disease: recognition, diagnosis and management—summary of updated NICE guidance BMJ November 27, 2024, 387 q2452; DOI: https://doi.org/10.1136/bmj.q2452 Recognition, diagnosis, and early management of suspected sepsis: summary of updated NICE guidance BMJ June 18, 2024, 385 q1173; DOI: https://doi.org/10.1136/bmj.q1173