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So in a nutshell, someone on a beta blocker having an anaphalactic reaction, and the Epi just ain't hitting it, Glucagon will help the Epi to do its job?
Almost but not quite.
Glucagon does increase the second messenger cAMP through stimulatory g-protein action on adenylate cyclase.
However it is not by way of beta 2 agonism as stated.
It is through activation of specific glucagon receptors which, although have similar intracellular effects to adrenergic receptors, cause different systemic responses mainly based on there varied expression.
This means that even in a hypothetical complete, irreversible and non-selective beta blockade glucagon is capable of causing an adrenergic type response. Describing it's effects as being "by way of beta 2 agonis(m)" is incorrect and could confuse people.
cAMP is this adenosine monophosphate??
Thank you system, very interesting i thought i was on the right track, and you clearified it for me with the link.
Technically it's cyclic adenosine monophoshphate, with a diester linkage (middle image). Read more here:
http://en.wikipedia.org/wiki/Cyclic_adenosine_monophosphate
Are most people's protocols still describing SQ epinephrine?
The standard of care, reflected in national guidelines, call for 0.01 mg/kg (max 0.5mg) intramuscular. The research showing that the IM route is preferable is pretty compelling. Google around for the "Second symposium on the definition and management of anaphylaxis:"
Around my neck of the woods, the ALS protocols dictate the IM route - got changed a number of years ago.
Are most people's protocols still describing SQ epinephrine?
The standard of care, reflected in national guidelines, call for 0.01 mg/kg (max 0.5mg) intramuscular. The research showing that the IM route is preferable is pretty compelling. Google around for the "Second symposium on the definition and management of anaphylaxis:"
Around my neck of the woods, the ALS protocols dictate the IM route - got changed a number of years ago.
Ours has been IM for years now.