Home Rehabilitation Improves Cardiac Effort in Pulmonary Arterial Hypertension

The intervention group will receive daily activity messages sent through SMS text message or email.The messages will provide daily exercises with heart rate guidance.

"The control group will receive daily non-descript messages to help with blinding and to eliminate the confounding variable of daily contact. The messages will not include activity tasks and will include phrases such as I hope you have a good day."