Hello, pulmonary arteries enlarge due to resistance in blood flow through lungs due to liver diseases,
rheumatic disorders, lung conditions (chronic obstructive pulmonary disease and pulmonary fibrosis), certain
heart diseases (Heart diseases including aortic valve disease, left heart failure, mitral valve disease, and
congenital heart disease can also cause pulmonary hypertension), thromboembolic disease, low-oxygen conditions
( High altitude living, obesity, and sleep apnea) and genetic predisposition. Take care. Ref: http://my.clevelandclinic.org/disorders/pulmonary_hypertension/hic_pulmonary_hypertension_causes_symptoms_diagnosis_treatment.aspx
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Comment by carly nugent on Wed 15, Dec 2010 10:00am:
I'm 29 wks pregnant wiv my 4th child and have been experiencing palpitations headaches fainting and
shortness of breath, my dr sent me to a cardiologist who said I had an enlarged pulmonary artery?? I have had
all kinds of tests and at the moment I am doing 24 hour urine testing. What might an enlarged pulmonary artery
actually mean? And is it bad?? They don't seem concerned with the baby which is good but I still not sure
what any of this means? If anyone might know I would really appreciate it thanks.
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