Dexmedetomedine--centrally acting alpha2 agonist Abatacept--RA Calibre of firearm-distance between 2 lands HlaB27-ankylosing spondylitis Karyotype qtn--chromosome5 deletion, cri du chat syndrome LEEN VEEN SHUNT-A peritoneovenous shunt (also called LeVeen Shunt) is a shunt which drains peritoneal fluid from the peritoneum into veins, usually the internal jugular vein or the superior vena cava. It is sometimes used in patients with refractory ascites. Parasuicide Parasuicide (from Greek παρά, para- , "near" or "resembling" and suicide) is a suicide attempt or gesture and self- harm where there is no result in death. It is a non-fatal act in which a person deliberately causes injury to him or herself or ingests any prescribed or generally recognised therapeutic dose in excess. The term was first coined in Edinburgh by Norman Kreitman.