Lab Bio 212
Iowa State University
Spring 201
EXPERIMENTAL PROTOCOL FOR BLOOD PRESSURE
Choose Experimental Gallery from Charts File
Select Blood Pressure Settings from the right-hand list and then click
open
Unfasten and open the blood pressure cuff and wrap tightly around upper
left arm. Cuff tube should be on inside of arm pointing towards fingers
Securely attach the finger pulse transducer. Place pressure pad of the finger
pulse transducer against the distal segment (tip) of middle finger of left
hand
Ensure the volunteer is relaxed with hands on lap, palms up, and sit as still
as possible to minimize any from artifacts movement
Choose the Input Amplifier command from the Blood Flow channel pop-up
menu. Increase blood flow to tips should show every time heart contracts.
Adjust the value in the range drop-down list of the dialog window that
appears. Set the low-pass filter to 10 Hz. Click ok to return to chart
window.
Click charts start button and record the finger pulse for about 5 seconds to
make sure you can record a clear record of finger blood flow. Then click
stop.
Measure the blood pressure using a blood pressure cuff, record about 15
seconds of pulse data and use the time axis compression buttons.