While every effort has been taken to ensure the accuracy of the information in these pages, the Pulmonary Hypertension Association UK (PHA UK) wishes to emphasise that the contents contained in the website are regularly reviewed and are naturally subject to change from time to time as required.

Use of the information and data contained in this website is entirely at your own risk. It is the responsibility of the user to check the accuracy of relevant facts and information with the appropriate medical professional before making any decisions based upon them. The PHA UK cannot be held responsible for any action taken as a result of viewing or downloading any material on this site.


All material on this website is, unless otherwise acknowledged, the copyright of the PHA UK. The material, whether text, images, sound or other media forms, cannot be republished without permission. Permission is hereby granted for such material to be viewed, stored, or downloaded as ‘hard copy’, for individual, non-commercial use only. Where individual authors are credited, each asserts his or her moral right to be identified as the author of that material.

If you wish to link to any of the material on our website, incorporate any of our images in your own material, or use any of our images as links, then before doing so you must contact the named author (if given) or email the PHA UK at

Some images featured on the website are being used for illustrative purposes only and all people depicted in these images are models.

Thank you.