Performance problems in horses can sometimes be tricky to figure out.  Diagnostic tests that are often used in horses with performance problems include a thorough physical examination, gait and lameness evaluation, blood work, respiratory examination (endoscopy, radiographs, ultrasound, bronchoalveolar lavage), and cardiac examination.   A team approach between the lameness and internal medicine specialists at Auburn is a key way that we are able to unravel the cause of poor performance in your horse.