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Bypassing a phase
To perform bypass, see page 190.
A bypass is the manual skipping of a phase. Your cycler
will not allow you to bypass any Drain phase after Drain 0
if there is a danger of overfilling. However, Drain 0 may
be bypassed under certain circumstances. If using a
daytime dwell, please consult your PD nurse before
bypassing Drain 0. Before bypassing you must consider
that there are three different scenarios that could occur,
depending on your prescription. You and your PD nurse
must choose the situation that best describes you:
1. You do not have a Last Fill programmed and therefore
have a 'dry day' or very little fluid left in your abdomen.
Your cycler will attempt to drain at least 70% of 50 mL
(35 mL) of fluid before switching to Fill 1. (If you
changed your drain exit criteria to 85%, however, your
cycler will try to drain at least 85% of 50 mL, which is
about 43 mL). You can safely bypass Drain 0 during this
time.
2. You do one or more manual daytime exchanges that you
did not program into your cycler (see page 128). In this
case, your cycler does not know that you have additional
fluid in your abdomen, so you must NOT bypass Drain 0.
Wait for your cycler to finish draining you before
continuing to Fill 1.
3. You have a Last Fill programmed. During Drain 0 your
cycler will try to drain at least enough so that the next fill
will not cause overfilling. Your cycler may or may not be
able to drain all of the fluid out because your body might
have re-absorbed some of the fluid. If you are receiving
alarms, discuss with your PD nurse to decide if you should
bypass.
It is important to understand the risks of overfilling.
Overfilling (also known as Increased Intraperitoneal
Volume, IIPV) is when you have too much fluid in your
abdomen. IIPV/overfill may result in serious injury or
death from conditions such as: abdominal wall and/or
diaphragmatic hernias, hydrothorax, heart problems
including chest pain and heart failure, high blood pressure,
pulmonary edema, decreased pulmonary function and
Liberty Select Cycler User's Guide
P/N 480145 Rev A
187
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