Exam 5 Flashcards
What is closed angle glaucoma? Open angle? What is the problem? What is the damage it causes?
Closed angle: medical emergency. Acute problem, actively going blind
Open angle: chronic, too much fluid or insufficient drainage. Canal of schlem, drainage of fluid. If unable to drain the pressure increases
Eye may make too much aqueous humor, with pressure less than 30 or less than it causes pain
Puts pressure on the optic nerve
What med class is timolol? What does it treat? How does it work? Adverse effects? Who is it contraindicated with? Why?
non-selective beta blocker
open-angle glaucoma
Decreases the production of aqueous humor
blurry vision, bradycardia, CHF, depression, burning, stinging
Asthma and obstructed airways, heart issues, diabetics
It vasconstricts,
What is the prostaglandin analogue med for open-angle glaucoma? What does it do? Adverse effect?
latanoprost
increases outflow of aqueous humor
can pigment eye lashes and eyelid skin
What is a cholinergic med for closed angle glaucoma? What does it do?
pilocarpine
causes pinpoint pupils and bradycardia because it is cholinergic
What is a secondary treatment for open-angle glaucoma? What does it do? Which similar med if for closed angle emergent glaucoma?
dorzolamide
decreases aqueous humor production
acetazolamide
What diuretic is indicated with closed angle glaucoma? What happens if that fluid is taken of so quickly?
mannitol
HF, electrolyte imbalances. pulmonary edema, peripherial edems becausee a ton of fluid is being pulled
What is best for inner ear infections, otitis media? Why? What is best for swimmer’s ear, otitis externa?
amoxicillin
because it needs a systemic antibiotic because it’s tough to get the antibiotic there with a drop.
ciprofloxacin w/ dexamethasone
What are the antidotes for the following:
acetaminophen
anticholinergic drugs
benzos
beta-adrenergic blockers
CCBs
digoxin
heavy metals
opioids
acetylcysteine
physostigmine
flumazenil
glucagon
calcium/insulin/IV glucose
digibind
chelator
naloxone
What is used if there is a toxin inthe stomach?
activated charchoal
What is a chelating agent for heavy metals?
dimercaprol
What are good sources of vitamin A? What can it do with oral contraceptives?
liver, egg, whole mil, butter, green and yellow vegs
Increase hypervitaminosis
What does vitamin D help with
maintain clacium and phosphate levels
What is vitamin K vital for? What is it an antidote for? Who is it given to as a matter of course?
clotting factors
warfarin
newborns to help with clotting
What are the B vitamins affected by alcoholism? What is B6? What is a side effect? Food sources?
Vitamin B 1, 2, 3, 6 and 9
pyridoxine
peripherial neuropathy
yeast, wheat, corn, organ meats
What is B9? Who is at risk for deficiency? With macrocytic anemia what are the 3 important triad needed?
folic acid
alcohol, malabsorption, pregnancy, macrocytic anemia
folate, B12 and iron
Who may need B12 supplementation? Food sources
malabsorption, begetarianism, macrocytic anemia, gatritis and perniscous anemia
meats, liver, kidenys, fortified cereals
What is the adverse effects of ferrous sulfate? What can be done if not tolerated in GI?
GI upset, black stool, constipation, hemochromatosis (too much iron), stains of teeth
IV iron
What must bedone sith potassium chloride? Is it painful?
must be diluted
yes
What is an additional indication of magnesium sulfate in addition to being used as a laxative? SE?
stop preterm labor
diarrhea, muscle weakness, heart
what is a formula supplementation for someone with a functioning GI tract? Malabsorption or not fully functioning? What is for most sever contition? What can be very specific (a la carte)?
polymeric formula
monomeric/elemental
oligomeric/semi-elemental
modular