3 Exam Workflow
3.1 Exam Workflow Concepts
3.1.1 Positioning a patient
Before placing patients in the system each day, the accessories that may be used during the
day while scanning should be inspected such as the head holder, table extension, patient
positioning pads and straps to make sure they are in good working condition.
Positioning pads and straps should be inspected and cleaned to prevent the possibility of
artifacts being introduced due to foreign matter such as contrast on the surfaces of these items.
Do not use accessories that maybe broken or torn.
Make sure patients are comfortable as possible on the table or in the head holder. Use
positioning sponges and pads along with positioning straps to aid in the positioning of the
patient to help them hold the position needed to complete the exam. If patients are comfortable,
they will be able cooperate and hold still during the exam. If arm support or catheter bag hanger
is used make sure they are placed securely on the table to support the arm or hold the catheter
bag.
Monitor the location of the arm support or catheter bag holder to prevent any collisions with the
gantry. Make sure any sheets, blankets and patient clothing or gowns don’t get caught as the
table is moving. Use the positioning straps to help contain these items so they are not loose or
hanging off the cradle. Make sure to explain the procedure to the patient so they understand
what is going to happen and what to expect. This will reduce incidences of the patient moving
because they are surprised by the position they are put in the gantry or the movement of the
table.
3.1.2 Using protocols
All parameters for scanning a patient can be set up in a protocol. This saves you time when
prescribing scan parameters for each patient. When a new patient is scanned, type in the
patient information and choose a protocol. The protocol may be adjusted based on a patient
without permanently altering the original set of parameters. Once the parameters are set and
the prescription is confirmed, scanning can begin.
See the
Protocols
chapter for more information.
3.1.3 Using contrast
When intravenous (IV) contrast is to be used, make sure the injector or syringes of contrast are
setup before performing the localizer (scout) scan. The
Contrast
settings collection on the
Scan
Settings
window must be selected. When selected, a +C annotation is displayed on the image
next to the image number, indicating that IV contrast was used for that exam.
See Section 3.6 for more information.
3.2 Exam Workflow Windows
3.2.1 Patient Information window
From the scan monitor, open the
Patient Schedule
drawer and click a patient entry.
Alternatively, click [+] from the scan monitor to open a new patient window.
Revolution CT User Manual
Direction 5480385-1EN, Revision 1
Chapter 11 Scan 245
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