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SECTION 3: SWEAT INDUCTION AND COLLECTION
3.1 Preparing for Sweat Induction
b. Fit a Pilogel disc in the red electrode. Pilogel discs are slightly
larger than the inside of the electrode skirt to provide a snug fit.
Press firmly around the entire perimeter of the disc to achieve
uniform, air-free contact with the electrode. This may separate
small slivers of gel from the outside of the disc as it is seated
against the electrode; which is normal.
Do not be concerned if the Pilogel disc bulges somewhat away
from the stainless steel electrode at the center. Attachment to
the limb flattens it against the electrode.
c. Place a drop of deionized water on the skin where the electrode is
to be placed or on the surface of the Pilogel disc just before
attachment. This helps with the connection between the Pilogel
disc and skin.
d. Position the red electrode, with a Pilogel disc, on the limb.
e. Run the free end of the strap around the limb and through the
opposite slot on the electrode from the bottom, through the slot,
and then down, aligning a suitable hole in the strap with the
attachment knob. Press the selected hole in the strap down over
the knob to lock it in place.
f. Grip the electrode and lift it briefly above the skin to equalize
strap tension on each side of the electrode, and then position the
electrode back on the skin surface. Adjust strap tension on either
side, as needed, to ensure even contact.
NOTE: Attach the strap firmly, but avoid excessive tightness. Correctly
applied, the electrode should grip the skin firmly enough to resist
moderately forceful attempts to change its position. The surrounding skin
areas should move with the electrode when it is moved.
g. Draw the skin back away from the electrode to remove any
underlying wrinkles.
h. Tap to advance to the next screen, or tap to go back to the
previous screen.
WARNING!
Watch for any signs of interference with blood circulation in the limb,
such as cyanosis, swelling, or unusual pallor, and discontinue the test on
that limb if any of those conditions should occur.
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