The 5 Different Classes of Pulmonary Hypertension September 22, 2015September 22, 2015 by Isaura Santos In Social Clips. 0 (0) These are the 5 different classes of Pulmonary Hypertension. Read more about each one of them to learn the differences: http://bit.ly/1XiiSYE Print This Page How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. As you found this post useful... Follow us on social media! We are sorry that this post was not useful for you! Let us improve this post! Tell us how we can improve this post? Submit Feedback