Professional guidelines say that when pulmonary arterial hypertension (PAH) is diagnosed, right heart catheterization should be performed, but a quarter of the time, it isn’t—so investigators ...

In patients with familial PAH, SMAD5 appears to be a novel gene that warrants consideration for genetic testing, according to ...

Unfortunately, clinical symptoms of PAH are unspecific and are late manifestations of the disease. [3] As in this case, dyspnea on exertion is often the leading clinical symptom; however, dyspnea ...

Unrelenting pulmonary hypertension can cause irreversible damage to the pulmonary vascular bed and lead to eventual right heart failure ... angiogram with the catheter in the RPA showing the ...