Author Question: Which of the following statements is TRUE regarding the medication digoxin? a. Digoxin has ... (Read 144 times)

Brittanyd9008 · **on:** Jul 3, 2018

Which of the following statements is TRUE regarding the medication digoxin?

a. Digoxin has negative chronotropic (slows AV conduction) and increased inotropic (force of cardiac contraction) effects.
b. Digoxin is relatively safe in the emergency setting because of a very wide therapeutic dose range.
c. Digoxin may be used safely with bradycardia as it strengthens the force of cardiac contractions.
d. Because it is an antiarrhythmic, digoxin may be used in cardiac arrest.

Question 2

In cardiac arrest or traumatic arrest, the MOST suitable vein is for intravenous access is:

a. Dorsal hand
b. Leg veins
c. Antecubital vein
d. External jugular

uniquea123 · **Reply #1 on:** Jul 3, 2018

Answer to Question 1

a
Rationale: a. Correct.
b. Digoxin has a very narrow therapeutic index and patients must be closely monitored for signs and symptoms of toxicity during administration.
c. Digoxin is not indicated in bradycardia.
d. Digoxin is not indicated in cardiac arrest.

Answer to Question 2

c
Rationale: a. The dorsal hand is a distal peripheral vein and is not preferred in states of decreased perfusion.
b. Leg veins are distal peripheral vein and is not preferred in states of decreased perfusion.
c. Correct.
d. Although the external jugular vein is a peripheral vein, it is preferred to utilize the antecubital vein unless it is not accessible.