▁more ▁controvers ial ▁but ▁may ▁be ▁considered . ▁ ▁Medic ation ▁ ▁Medic ation ▁aim ed ▁at ▁correct ing ▁the ▁E CG ▁ab normal ity   – ▁the ▁short ened ▁Q T ▁interval   – ▁has ▁been ▁tried . ▁ ▁Qu in id ine , ▁a ▁class ▁I a ▁anti arr h yth mic ▁agent , ▁has ▁been ▁shown ▁to ▁partially ▁correct ▁the ▁Q T ▁interval ▁and ▁make ▁the ▁heart ▁more ▁res il ient ▁to ▁artificial ly - indu ced ▁ab normal ▁heart ▁rh yth ms , ▁ ▁although ▁it ▁is ▁still ▁uncertain ▁at ▁present ▁whether ▁this ▁transl ates ▁to ▁a ▁lower ▁risk ▁of ▁sudden ▁death . ▁ ▁S otal ol , ▁another ▁anti arr h yth mic , ▁may ▁prolong ▁the ▁Q T ▁in ▁some ▁sub types ▁of ▁short ▁Q T ▁synd rome . ▁ ▁Other ▁medic ations ▁including ▁beta ▁block ers , ▁fle c ain ide , ▁and ▁am iod ar one ▁have ▁been ▁tried , ▁but ▁at ▁present ▁there ▁is ▁little ▁evidence ▁to ▁support ▁their ▁use . ▁ ▁Dru gs ▁can ▁also ▁be ▁used ▁to ▁treat ▁the ▁less ▁dangerous ▁ab normal ▁heart ▁rh ythm ▁that ▁is ▁also ▁associated ▁with ▁short ▁Q T   – ▁at rial ▁f ibr ill ation . ▁ ▁Prop afen one , ▁a ▁class ▁ 1 c ▁anti arr h yth mic , ▁may ▁be ▁helpful ▁in ▁those ▁with ▁short ▁Q T ▁to ▁prevent ▁at rial ▁f ibr ill ation . ▁Those ▁who ▁develop ▁at rial ▁f ibr ill ation ▁may ▁also ▁require ▁medic ation ▁to