摘要: THE COMMON aims of the various methods 1-3 assisted circulation now under laboratory or clinical assessment are temporary relief heart from a greater lesser portion its mechanical work while improving perfusion rest body. Proof that has been helped by such intervention is not always easily achieved. The evaluation myocardial oxygen consumption as direct function difference between content aortic and coronary sinus blood classical method which enjoyed wide application in experimental diagnostic cardiovascular laboratory. 4,5 However, other investigators have noted oxygenated appears certain circumstances. In 1947, Eckenhoff coworkers 4 observed animals "circulatory collapse" venous contained more than mixed collected right ventricle. Catchpole associates 6 demonstrated striking increase