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pt gets put on an LSB...
Why head blocks?
I haven't really heard of using blocks and collars simply b/c its a code.
OK, but how about a bed at the patient's home?
We use the Comb-Tube. The lab instructor in our course says to use the OPA until you get into the truck and then switch to the Combi. I've heard other say go for the Combi ASAP. Which do you do?
I'm not a PI or an expert by any means, but the combi has several benefits over the OPA.
1. can prevent aspiration
2. provides a better patent airway
3. Easier to ventilate pt.
Neither would be used if a pt. has a gag reflex.
I've never been on a prehospital code where suction was not required. Given the two choices, I think the combi is a much better option for preventing aspiration. Out of hospital arrest survival rates are poor as is. Out of hospital arrest with aspiration is even worse.
Also, the combi is a direct hookup to the BVM, whereas the BVM mask still needs to be stabilized using an OP airway. It's alot easier to bag a combi than it is an OPA.
A combi takes less than a minute to place, inflate, check, and use. Given the two, I'd go combi-tube first.