70
Participants
Start Date
January 21, 2019
Primary Completion Date
April 26, 2019
Study Completion Date
April 26, 2019
Valsalva maneuver
pressure during Valsalva maneuver was measure using sphygmomanometer
Control
patient was not given any intervention
Cipto Mangunkusumo National Hospital, Jakarta Pusat
Indonesia University
OTHER