It is a complication (sequela) of osteomyelitis. A TIF is a rare but life-threatening iatrogenic injury, usually the sequela of a tracheotomy. It is often reported as a sequela to acute necrotising ulcerative gingivitis. Rubella can cause congenital rubella syndrome in the newborn, the most severe sequela of rubella. Rheumatic fever is a nonsuppurative sequela of a primary infection of group A "Streptococcus" bacteria. One possible sequela, volvulus (mesenteric torsion), is a rare consequence of EPI in dogs. Disseminated intravascular coagulation (DIC) is a possible sequela of HGE. Thus, chronic pain became a prevalent sequela. Aortic dissection may be a late sequela of heart surgery. Glomerulonephritis can also be a non-suppurative sequela of "Streptococcus pyogenes". Hearing loss and mental impairment can be a long-term sequela of GBS meningitis. Gingival enlargement is also a potential sequela of gingivitis. Its malignant sequela, esophagogastric junctional adenocarcinoma, has a mortality rate of over 85%. Hearing loss is a rare but well-known sequela of procedures resulting in CSF loss.