Digoxin (Lanoxin) - positive inotrope (increases force of contraction); negative chronotrope
(decreases heart rate). How do you assess for this? - ANSAlways take apical pulse for one
full minute
Client with a long hx of daily digoxin and fourosemide (Lasix) use; creates a high risk for dig
toxicity because - ANSLasix can cause hypokalemia, which can lead to dig toxicity
What can happen when Digoxin is taken with Dronedarone (Multaq), which is another
anti-dysrhythmic drug)? - ANSDigoxin can increase in the blood level and further increase
the effects
What is the normal digoxin level? - ANS0.5-2 ng/mL
Normal serum potassium level is - ANS3.5-5.0 mEq/L
Low potassium or magnesium levels may increase risk for - ANSDigoxin toxicity
What are the signs and symptoms for digoxin toxcitiy? - ANSanorexia, bradycardia,
headache, dizziness, confusion, nausea, and visual disturbances such as blurred, yellow, or
halo vision.
When should you hold off on giving digoxin drug therapy? - ANSif apical pulse is less than
60
What effects do Calcium channel blockers (-dipine; amlodipine (Norvasc), nifedipine
(Procardia) cause - ANSproduce vasodialation and reflex tachycardia
(lowers BP but increases HR)
Verapamil and diltiazam produce - ANSvasodialation and cardiosuppresssion (lowers BP
and Lowers heart rate)
Beta blockers have the drug ending - ANS-OLOL such as atenolol, propanolol, esmolol, ect.)
Beta 1 blocks receptors in the - ANSheart
Beta 2 blocks receptors in the - ANSlungs
Beta blockers can be non selective so be aware of any - ANSrespiratory conditions such as
asthma, emphysema COPD, ect.
A nurse should always check _____ and _____ before giving a beta blocker - ANSAP and
BP
do not give if HR is below 60
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