Medical causes of acute abdomen.
D000006:Abdomen, Acute / Q000175:diagnosis / Q000209:etiology*; D000138:Acidosis / Q000150:complications*; D001327:Autoimmune Diseases; D003937:Diagnosis, Differential; D064420:Drug-Related Side Effects and Adverse Reactions; D004700:Endocrine System Diseases; D006331:Heart Diseases; D006373:Helminthiasis / Q000150:complications; D006402:Hematologic Diseases; D006432:Hemochromatosis / Q000150:complications*; D006801:Humans; D007674:Kidney Diseases; D001523:Mental Disorders / Q000150:complications; D008659:Metabolic Diseases; D009110:Munchausen Syndrome / Q000150:complications; D009422:Nervous System Diseases; D011041:Poisoning / Q000150:complications; D011164:Porphyrias / Q000150:complications*; D012140:Respiratory Tract Diseases