Category: Partial pulmonary vein ectopic drainage

　　I. What is central vein? The central vein is the large vein close to the heart, mainly the internal jugular and subclavian veins bilaterally.　　Why should we do central venipuncture?　　1.Rapidly open…

　　Leigh syndrome, also known as subacute necrotizing encephalomyelopathy, is a hereditary progressive neurological degenerative disease. 1951 British neuropathologist Denis Leigh first described a case of a 7-month-old infant who presented…