<unk> <unk> aval fistula
Acute gastroenteritis
Aortoenteric fisulta
Appendicitis (early)
Bowel obstruction
Large bowel obstruction
Ogilvie's syndrome
Small bowel obstruction
Malignant bowel obstruction
Bowel perforation
Gastroparesis
Diabetic ketoacidosis
Hernia
Inflammatory bowel disease
Mesenteric ischemia
Mesenteric vein thrombosis
Pancreatitis
Peritonitis
Sickle cell crisis
Spontaneous bacterial peritonitis
Volvulus<unk> aval fistula
Large bowel obstruction
Ogilvie's syndrome
Small bowel obstruction
Malignant bowel obstruction
Ogilvie's syndrome
Mesenteric vein thrombosis
Spine related
Acute ligamentous injury
Acute muscle strain
Disk herniation (Sciatica)
Degenerative joint disease
Spondylolithesis
Epidural compression syndromes
Spinal cord compression (non-traumatic)
Cauda equina syndrome
Conus medullaris syndrome
Epidural abscess (spinal)
Epidural hematoma (spinal)
Thoracic and lumbar fractures and dislocations
Cancer metastasis
Spinal stenosis
Transverse myelitis
Vertebral osteomyelitis
Ankylosing spondylitis
Spondylolisthesis
Discitis
Renal disease
Kidney stone
Pyelonephritis
Nephrolithiasis
Intra-abdominal<unk> 
Ulcer perforation
Retrocecal appendicitis
Large bowel obstruction
Pancreatitis
Pelvic disease
PID
Other
Retroperitoneal hemorrhage/mass
Meningitis
Acute ligamentous injury
Acute muscle strain
Disk herniation (Sciatica)
Degenerative joint disease
Spondylolithesis
Epidural compression syndromes
Spinal cord compression (non-traumatic)
Cauda equina syndrome
Conus medullaris syndrome
Epidural abscess (spinal)
Epidural hematoma (spinal)
Thoracic and lumbar fractures and dislocations
Cancer metastasis
Spinal stenosis
Transverse myelitis
Vertebral osteomyelitis
Ankylosing spondylitis
Spondylolisthesis
Discitis
Spinal cord compression (non-traumatic)
Cauda equina syndrome
Conus medullaris syndrome
Epidural abscess (spinal)
Epidural hematoma (spinal)
Kidney stone
Pyelonephritis
Nephrolithiasis<unk> 
Ulcer perforation
Retrocecal appendicitis
Large bowel obstruction
Pancreatitis
PID
Retroperitoneal hemorrhage/mass
Meningitis
Abdominal aortic aneurysm
Splenic artery aneurysm
Aortocaval fistula
Superior mesenteric artery syndrome
Acute gastroenteritis
Mesenteric vein thrombosis
Aortoenteric fisulta
Splenic infarction