Pathophysiology & Pharmacology: Gas exchange & NVD
3 views 0 purchase
Course
NURS 232
Institution
St. Francis Xavier University (STFX
)
Summary notes for the pathophysiology & pharmacology associated with gas exchange and processes which set the body out of fluid balance (nausea, vomiting, diarrhea, constipation). Great review when study for those dreadful exams!!
E
Nausea Not for children !
↳
lose gastric tone (reflux from intestines) (exception6mos= 12yrs ER acute
:
gastroenteritis
1 dose PO ondansetron)
Corticosteroids
=
Vestibular system
- H1 rec ·
alone/combined use Retching ↓
histamines-
.
↳
M1 rec .
·
methylprednisolone/dexamethasone spasmodic resp movement against closed glottis
.
yrsv caution but
(generates pressure for vomiting)
Benzodiazepines Emetic Response
·
SHORT-term ; combination therapy ↳
center in medulla
·
control extrapyramidals of D2 anta
activate
vomitting oblongata
directions ↳
.
D2
Lorazepam
Indirect
rec .
chemoreceptor
trigger zone 3 NK1
5Hirec
rec .
Cannabinoids
·
fear (cerebral cortex) ·
activate chemoreceptor zone
.
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