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We have developed a method to discriminate life-threatening ventricular arrhythmias by observing the QRS complex of the electrocardiogram (ECG) in each heartbeat. Changes in QRS complexes due to rhythm origination and conduction path were observed with the Fourier transform, and three kinds of rhythms were discriminated by a neural network. In this paper,… (More)
Because the sciatic nerve leaves the pelvis through the greater sciatic notch underneath the piriformis muscle, any pathology of the piriformis muscle could result in entrapment of the sciatic nerve; this is widely known as piriformis muscle syndrome. Pyomyositis of the piriformis muscle may be a cause of piriformis muscle syndrome. Piriformis muscle… (More)
We have operated total knee arthroplasty in a patient with bilateral congenital dislocation of the patella treated with a different method in each knee.