Mr. Brооkshire is undergоing а multi-stаge progressive cаrdiac stress test in the cardiopulmonary departments diagnostic lab, his maximum HR has been set at 250 bpm, the ECG monitor shows a NSR and he has a SpO2 of 96% on RA. He has been progressed in the stage of the testing and his HR on the monitor now shows HR 210, he states he has audible wheezing, beginning to sweat profusely, the ECG monitor is showing some abnormalities and the SpO2 is 87% on RA. What are your recommendations at this time?