We enrolled 1021 patients ranging in age from 50 to 78 years between January 1990 and March 1999 in whom cardiac catheterisations were done for the first time at the Ishikiriseiki Hospital, Osaka, ...
Subjects were studied under supine resting conditions in a quiet, temperature-controlled room. Measurements were carried out after at least 15-min supine rest. We used a commercially available device ...
Many common problems can be solved easily using the edge trigger of an oscilloscope. But sometimes a more complicated trigger mode such as pulse triggering can shorten the troubleshooting cycle. This ...
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