French President Nicolas Sarkozy was rushed to hospital after suffering a minor nervous complaint while exercising at his woodland weekend retreat outside Paris,officials said. The 54-year-old leader was seen immediately by a doctor and underwent medical tests,a statement from the Elysee Palace said. One of the President's aides told AFP that Sarkozy was taken to the Val de Grace military hospital,after a problem related to his vagus nerve - which helps the body regulate its heart rate - "which is considered minor". A condition known as vasovagal syncope can bring on a reduction in heart rate and blood pressure - particularly if the victim is dehydrated. Sarkozy was jogging as a sun-drenched Paris saw temperatures of 28 degrees Celsius. Patients normally make a complete recovery,medical sources said. A witness,speaking on condition of anonymity,told AFP she had seen a jogger surrounded by bodyguards suddenly stumble and collapse in the wooded grounds of La Lanterne,Sarkozy's weekend home near the Palace of Versailles. Shortly afterwards,Sarkozy's wife Carla Bruni-Sarkozy arrived at the scene on a motor scooter,the witness said. Then two helicopters - one of them white - landed nearby.