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double-blind procedure-an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.ouble-blind procedure-an experimental procedure in which neither the subjects of the experiment nor the persons administering the experiment know the critical aspects of the experiment; a double-blind procedure is used to guard against both experimenter bias and placebo effects.
The Modified-Maze procedure is used to treat arrhythmia, abnormal heart rhythm conditions which can lead to chronic heart failure. Florida Hospital Cardiovascular Institute specializes in leading edge procedures and techniques that reroute electrical impulses in the heart and restore normal heart rate, such as the Modified-Maze procedure. Learn.