signs and symptoms of Digitoxicity would include:
blurred or yellow vision
nausea
digoxin level of 3.2 ng/dl (narrow therapeutic index- 0.5-2.0 ng/dl)
vomiting
confusion
more adverse reactions are
anorexia
headache
cardiotoxicity.
Drugs that lower K+ can increase the risk of Digitoxicity
NOTE:
Count apical pulse for one full minute prior to administration. If hear rate <60 (adult or <90-100 (child), hold Digoxin and notify physician
which group of patients should use antacids containing sodium with extreme caution?
A.
A patient taking nitroglycerin (NTG) for angina pectoris reports the development of a headache after taking more than one tablet. What info should you provide this patient?
A.
beta blockers may be useful in treatment of:
heart failure
hypertension
angina
glaucoma
adverse effects are:
bradycardia, reduced cardiac output
a patient applies a transdermal patch at 0800. What info would be good to know before applying the patch?
B.
tolerance develops if patches are used continuously. A daily, "patch-free" period of 10-12 hours is recommended. This can be accomplished by applying a new patch every morning and leaving it on for only 10-12 hours then removing it
a patient receiving a "statin" drug might have to stop therapy if they are experiencing
signs of hepatotoxicity
severe muscle pain and weakness
"statins" are cholesterol lowering medications from the HMG-CoA Reductase inhibitors family
They decrease LDL, VLDL, < and total cholesterol. They raise HDL
Drugs and their antidote:
heparin
digoxin
coumadin
heparin = protamine sulfate
digoxin = Digibind
Coumadin = vitamin K
A nurse counsels a patient who is starting oral iron for anemia. Which agent should the nurse advise the patient not to take at the same time as the iron supplement?
C.
iron, when taken orally, requires an acidic environment in the stomach to be properly absorbed
a patient with excess fluid volume returning to the heart is said to have an increased ___. this may be treated with _____.
choices are (for first blank)
preload/afterload
for second blank:
HCTZ/Verapamil
preload and HCTZ
a woman has been treated with A2RB for the past 2 years. She has just discovered that she is 6 weeks pregnant. The RN refers the patient to the Nurse Practitioner in order to:
get the drug stopped now, altho no fetal damage is likely occurred at this point