Mitral insufficiency Mitral insufficiency Mitral regurgitation (MR), Mitral insufficiency (abbreviation MI best avoided because it is more commonly used in lieu of myocardial infarction), or mitral incompetence is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MR is the most common form of valvular heart disease. The symptoms associated with MR are dependent on
Gold Is Where You Find It of Robin Hood", which was not ready for release. So he chose this screenplay, making it probably the first Western shot in the new process, and second Warner Bros. movie to be shot in new Technicolor. The film was shot near Weaverville, California. Gold Is Where You Find It Gold is Where You Find It is a 1938 American romantic drama film directed by Michael Curtiz and starring George Brent, Olivia de Havilland, and Claude Rains. Based on a story by Clements Ripley, with a screenplay by Warren Duff and Robert Buckner, the film is about the rivalry between farmers