Author's Organization：The Department of Pediatrics, Tokyo Medical College The Department of Pediatrics, Tokyo Medical College The Department of Pediatrics, Tokyo Medical College The Department of Pediatrics, Tokyo Medical College
The hint came to the authors from Mason and Braunwald's method and calculated on a new simple measuring method for systolic blood pressure in infants with photoelectroplethysmograph and the usual portable ECG recorder. The value of the authors' method was compared with the auscultation method in adults and elder children and further it was tried in several cases of premature infants.
