(Reuters) - Medical device manufacturer St. Jude Medical Inc said on Friday a report by short-selling firm Muddy Waters and a cyber-security researcher alleging its heart devices were riddled with bugs was "false and misleading."<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=7maxasGJud4:_WkoiCxoTTM:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=7maxasGJud4:_WkoiCxoTTM:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=7maxasGJud4:_WkoiCxoTTM:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=7maxasGJud4:_WkoiCxoTTM:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=7maxasGJud4:_WkoiCxoTTM:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/7maxasGJud4" height="1" width="1" alt="" />