Pulmonary arterial hypertension (PAH) is a rare, progressive disease of the precapillary pulmonary arteries, characterized by ...

The American Heart Association announced that effective with today's issue, Bradley A. Maron, M.D., FAHA, is the new editor-in-chief of Circulation, the Association's flagship peer-reviewed journal ...

The aspects to be considered include the occurrence and mechanisms of arterial oxygen unsaturation, hyperventilation and factors affecting the level of arterial carbon dioxide tension. Such data ...

A major difficulty in the interpretation of these findings arises from the fact that closed commissurotomy often results in incomplete relief of obstruction, and it is difficult to determine whether ...