WATCH: Donald Trump left startled as man COLLAPSES in Oval Office

This is the moment Donald Trump was left startled after an official collapsed in the Oval Office.The man is understood to be an employee at a large healthcare firm, and was at the White House for an event the President was holding on drug pricing.Dr Mehmet Oz, the President's Administrator for the Centre of Medicare and Medicaid Services, was spotted jumping into action and helped the man to the floor as he fainted.Although the White House has refused to name the individual, it has confirmed he received medical attention and is "okay". WATCH THE CLIP ABOVE FOR MORE