100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Class notes

Pathophysiology & Pharmacology: Gas exchange & NVD

Rating
-
Sold
-
Pages
1
Uploaded on
14-04-2024
Written in
2023/2024

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!!









Whoops! We can’t load your doc right now. Try again or contact support.

Document information

Uploaded on
April 14, 2024
Number of pages
1
Written in
2023/2024
Type
Class notes
Professor(s)
Dr. helpard
Contains
Gas exchange, nausea, vomiting, diarrhea

Content preview

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
.




vomiting center (which activates
vomiting center)


a7
R ·_ medulla sensory organs
·




-
·


opsychiatric disorders
Oblongata vestibular apparatus stomach + s intestine vagal afferent nerve fibers
Tachycardia
· ·




hypotension
=
· + .




H1 rec .

↳ CAUTION patients
·

anticancer drugs-opioids
M1 rec
: CVD




3
.
(to chemoreceptor zone)
NK1 rec ·

2nd line for CINV
+
.




5HT3 rec Gitract heart
.
Nabilone
- 5H3 rec .




>
-
*
Diarrhea
&

Pregnancy N+ V




I
·

Treat dehydration electrolytes
Pyridoxine-VitBo analog No antidiarrheals for
gastro-enteritis !
·
Serotonin Rec Antagonists .

-




↓ -Non-specific
prolong QT interval
·
can combine in ginger

specific




!
heart disease/electrolyte imb




S





-
-
-
.




Ondansetron
Opioids
*




Laxatives




I
Irritable Bowel Syndrome (IBS) ·


GI motility 14 water absorption
Sub . /Neurokinin Antagonists Alosetron /Lotronex) *
Check fluid/electrolyte before initiating therapy ↓ rectal spasm ↓ pain
·
- =

·
Block NK1 rec for Sub P SH antagonist
NV abdominal pain
Lopramide (Imodium)
·


.
. ·
or ·

For CINV combine w corticosteroid/SHTs anta
only for WOMEN !
·
=
↳ no
euphoric effect
·




Bulk-forming Metamucila
.




·

↑ liver enzymes + ↓ effect of warfarin + OCs ·



Gl toxicity risk




!
Take fluid ! n
Bismuth Salicylates (Pepto-Bismoll
·


V
*
aprepitants
② Emollien+ Laxatives (ubricants) Inflammatory Bowel Disease (IBD) ·

Coat GI tract
Vitamin absorption (fat-soluble) Sulfasalazine (5-Aminosalicylates) Bind-eliminate causative toxin
·
·

·




DopamineAntagonistsa
Budesonide (Glucocorticoids)
Tinnitus ,
·




electrolyte imbalance bleeding time dark stools
·
·


·



Azathioprine (Immunosuppressants) ,

· Ducosate Salts (Colace) ·

Infliximab (immunomodulators)
·



anticholinergic ,
sedation hypotension .
Stimulant
③ Laxatives

pancreatitis/neutropenia Anticholinergies
atropine
,
Metronidazole (Antibiotics)
extrapyrimidal
~
rxns /tremors restlessness etc. )
·
·




surgical prep .; give in 20
·

,
peripheral neuropathy
, ↳

Metaclopramide ·
Castor oil, Senna (Senokot)
20-60
Antihistamine-Like
Osmotic Laxatives my Fiber/day
Drugs surgical prep
·



·

Block H1, 1 rec ( vestibular stim )
electrolyte imb -dysrhythmias
. . ·




CNS depressant anticholinergic,
.




polyethylene glycol (PEG)
·

, *

antihistaminic, antiemetic
Saline Laxatives
*
Dimenhydrinate (Gravol) ·




MG toxicity Sk
magnesium hydroxide
·


(milk of
magnesia)
CA$6.42
Get access to the full document:

100% satisfaction guarantee
Immediately available after payment
Both online and in PDF
No strings attached

Get to know the seller
Seller avatar
sierraw6

Get to know the seller

Seller avatar
sierraw6 St. Francis Xavier University
View profile
Follow You need to be logged in order to follow users or courses
Sold
0
Member since
1 year
Number of followers
0
Documents
2
Last sold
-

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions