Impact of Breathing Maneuvers on the Oxygenation Supply of the Heart Assessed With MRI in Patients With Coronary Artery Disease

Oxygen is provided with a standard medical oxygen mask with reservoir (12L/min) for 3-5 min, assigned to both groups

1 Minute of Hyperventilation (25/min) is followed by a consecutive breath-hold for as long as the subject can comfortably tolerate. Both groups will perform this maneuver

1 Minute of Hyperventilation (25/min) with an oxygen mask mounted (12L/min) is followed by a consecutive breath-hold for as long as the subject can comfortably tolerate. Both groups will perform this maneuver