Mobile Health Intervention to Improve Exercise in Pediatric PH

Exclusion Criteria

• •Prohibited from normal activity due to wheelchair bound status, bed bound status, reliance on a cane/walker, activity-limiting angina, activity-limiting osteoarthritis, or other condition that limits activity.
• •Pregnancy
• •Diagnosis of PAH etiology other than idiopathic, heritable, or associated.
• •Functional class IV heart failure
• •Requirement of \> 2 diuretic adjustment in the prior three months.
• •Preferred form of activity is not measured by an activity tracker (swimming, yoga, ice skating, stair master, or activities on wheels such as bicycling or rollerblading).
• •Involved in any other investigational intervention.