ANGIOCARDIOGRAPHY—contrast visualization of the heart and great vessels — was first made a practical procedure by Robb and Steinberg 1 in 1938. In subsequent reports these authors have described in ...
THE preoperative clinical diagnosis of left atrial thrombi is difficult. A history of systemic embolization does not necessarily indicate the presence of an atrial thrombus. A reliable method of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results