The degree of tricuspid regurgitation (TR), a cardiac abnormality detected in a heart ultrasound, may help predict the outcomes in people with pulmonary arterial hypertension (PAH), a study suggests. Those with more advanced TR were at a higher risk of death. This relationship was seen specifically in the subgroup who would’ve been considered low risk […] The post Heart valve abnormality may signal risk in low-risk PAH patients appeared first on Pulmonary Hypertension News.