thankyou everyone who has contributed to the question of size of cannula.
I think we have explored this enough.
Cannula's and fluid
18g is a poor route for blood (once at AEU)
14g should be the primary bore we should go for
18g should be considered as a potential secondary if first IV fails
14g may lead to full amount being given too soon
14g may distract paramedic from other duties as it need keeping an eye on
(runs through veery quickly)
18g can give enough if paramedic contact time is 20 minutes or greater
the flow rate of through a cannula may vary dependant on different fluid
used (Stoneham paper)
IV access should be performed without delay on scene or en route to hospital
(protocol review needed)
fluid replacement must be considered as a secondary obvective in line with
current evidence based medicine (protocol review needed)
other issues
hypotensive therapy is not yet decided on (penetrating vs blunt trauma
views)
on scene times are possible with education
paramedic education (and technician) needs to be reviewed to facilitate
reduced on scene times
there are other things people have brought up and in general all say the
gauge of cannula is right but should consider smaller if problems.
once again thankyou for everyone who took part in this discussion.
Mike Bjarkoy
Paramedic
sun tanned in Sussex
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