[Microscopic pulmonary arteriovenous fistulas].

A case of pulmonary arterio-venous microfistula in a fifteen year old male is reported. He referred dyspnea and cyanosis for 3 and 2 years respectively. Physical examination was normal except for finger clubbing.

[Arteriovenous fistula and rheumatic cardiopathy].

A case of pulmonary arteriovenous fistula associated with rheumatic mitral heart disease is presented. We have reviewed the literature and no published case with such association has been described. The loud mitral insufficiency murmur hide the continuous murmur of the fistula.