Lower GI Bleed - Differential Diagnosis Algorithm • Structural: Diverticulosis, Hemorrhoids, Post-polypectomy, Polyps & malignancy, Anal fissure, Aortoenteric fistula, Colonic and rectal ulcer, Meckel's diverticulum • Vascular: Acquired/sporadic (angiodysplasia, colonic/rectal varices), Congenital/systemic (CREST, HHT), Tumors (hemangiomas, Kaposi sarcoma) • Inflammatory: Ischemic colitis, IBO, Infectious colitis, Radiation colitis/proctitis Matthew Ho, MD PhD @MatthewHoMD #Lower #GI #Bleed #LGIB #GIBleed #Differential #Diagnosis #Algorithm #gastrointestinal #gastroenterology

Map of Referred Pain Referred pain occurs when nerves from two different anatomic sites converge onto the same neuronal pathway in the spinal cord. When the pain signal reaches the brain 🧠, the two sites may conflate, resulting in perceived pain from one part of the body referred to another — Gallbladder — Appendix — Heart — Lungs and diaphragm — Liver — Heart — Liver — Stomach — Pancreas — Small intestine — Ovaries — Colon — Kidneys — Urinary bladder — Ureters Dr. Justin @mdhealthtips #Referred #Pain #Map #Locations #diagnosis #neurology