 brick red is their heart pounding way faster than usual those are the really big war lines you know those that know how to take a pulse where you just kind of put your fingers on the inside of the back leg you can usually feel the pulse and if it's going crazy then you probably ought to have it checked so it's over like 140 160 per minute but anytime you just have a doubt whatsoever you should just get that animal checked out because once the overt signs are really apparent