Sherlock 3CG™ Tip Confirmation System
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Wandering ECG baseline
Cause
: Poor ECG electrode contact.
Solution
: Ensure that the area on the skin where
the ECG electrodes were placed is oil free and
completely dry.
Cause
: Patient movement.
Solution
: Ask the patient to remain still. Ensure
the patient is warm and relaxed.
Cause
: Extraneous noise.
Solution
: Avoid touching the stylet or
electrodes.
Cause
: Catheter not locked with saline.
Solution
:
Ensure catheter T-lock connections are
fully seated. Flush the catheter lumen
containing the stylet with saline.
ECG signal abnormal
Cause
: Body ECG leads swapped.
Solution
: Place ECG leads correctly.
Cause
: No distinct P-wave.
Solution
: Do not rely on ECG guidance for
catheter tip confirmation. Refer to Warnings
Section.
Absent ECG signal
Cause
: Sensor / sensor cables damaged.
Solution
: Call technical hotline at 1(800)443-
3385 to replace sensor and/or cables.
Cause
: Sensor disconnected.
Solution
: Ensure the sensor is properly
connected.
Cause
: Sensor is not communicating with
display.
Solution
: Reboot the display.
ECG Screen (main/reference screen) is not
visible
Cause
: Incompatible sensor.
Solution
: Use sensor with product code number
9770131.
Cause
: Incorrect PICC Compatibility is selected.
Solution
:
In Ultrasound Mode: Select Settings
.
Select ‘Layout’ dropdown menu and select
‘Ultrasound and S3CG.’ Select ‘Apply.’
In TCS Mode: Select Settings
, Under ‘PICC
Compatibility’ select ‘Magnet and ECG.’ Select
‘Apply’.