examining his cardiac rhythm, and they say his atrial fibrillation is stable. a full exam of his lungs as well. a colonoscopy which we knew about. that was something that required sedation. that is when transfer of power occurred. but we also know at the time he had that done he had an upper endoscopy as well, looking for evidence of reflux. something that has been bothering the president and they did find some evidence of reflux. also looked in his sinuses as well to see if there was some explanation for what people may have heard more recently with the president. lots of throat clearing when giving his speeches. and what the doctor seemed to have indicated in this report is that this is probably due to some reflux that he's having. they also have noticed, his gait, his walking, they said has changed a little bit. a little less fluid as they described it. a little more stiff. they wanted to find out what was causing that.