Senior Dogs Heart? Home › Community › Senior Dogs › Senior Dogs Heart? This topic contains 0 replies, has 0 voices, and was last updated by EmmaZoe0806 1 year, 5 months ago. Viewing 1 post (of 1 total) Author Posts Aug 25, 2016 at 2:08 #473045 EmmaZoe0806Member My 13 yr old Golden Retriever is panting and won’t lay down for more than 30 seconds. She’s acting very nervous but nothing has changed. Almost like she’s on speed. Could her heart be beating too fast? What could it be? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.