I experienced shortness of breath while working out with my trainer yesterday (which never happens) and had to terminate the workout early. i then walked to my car with difficulty becoming very tired and out of breath. when i got home, i checked my bp a

Shortness of breath: If this was an unusual bout of shortness of breath during your customary workout, it may signal the need for a cardiac evaluation which includes an exercise stress test conducted by a cardiologist. If this reveals no abnormality with coronary circulation or heart function, then pulmonary function testing would be indicated. Definitely discuss this episode with your physician who can also check you

Get evaluated now: You are describing something that could be serious, even life threatening. Please call your doctor and arrange for an evaluation right away, or go to the ER/urgent care. You need an exam, an EKG and possibly blood tests or a chest Xray to evaluate for heart or lung problems. Do not wait, go right away. If any chest pressure or pain develops, call an ambulance.