The COVID-19 pandemic has increasing numbers of doctors caring for patients virtually. While critical to protecting patient health during a pandemic, however, virtual care presents unique challenges, ...

THE pulmonary circulation is of paramount importance in failure of the heart. The presence of dyspnea, orthopnea and hemoptysis and a diminution in vital capacity imply a profound change in the blood ...

A new American Heart Association scientific statement suggests surgery be considered for more people with high-risk pulmonary embolism (PE). The statement, published today in the American Heart ...

The metabolic activity of any tissue is limited by its blood supply; the more active any organ, the more blood it needs and the more extensive its vascularization. The changes in metabolic activity ...

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 ...