Peripheral arterial cannulation
This procedure is indicated when
repeated arterial blood sampling or arte-rial pressure monitoring is required.
The most common arteries used are those described for peripheral arterial blood
sampling.
As for IV cannula.
•
Identify
selected artery by method described above and follow the procedure described,
but use a cannula instead of a needle.
•
When
blood flashes back into the hub, advance the cannula smoothly over the stylet
and into the artery.
•
Remove
the stylet and immediately stop the bleeding by applying pressure over the
artery and the tip of the catheter with your finger.
•
Connect
a 3-way tap that has been previously flushed with heparinized saline. Samples
can be obtained from the unused ports.
•
Flush
the arterial line with heparinized saline (1U/mL) and connect the saline
infusion line at 1–2mL/h (1U heparin/mL).
•
A
pressure transducer may be attached to continuously monitor arterial BP.
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