Questions and Answers
Which of the following are oxytocic drugs? (Select all that apply)
What are the actions of oxytocin? (Select all that apply)
For which of the following reasons is oxytocin (Pitocin) administered intravenously? (Select all that apply)
Which drug is most likely administered to prevent hemorrhage caused by uterine atony? (Select all that apply)
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What are the purposes of administering oxytocin (Pitocin) intramuscularly during the third stage of labor? (Select all that apply)
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What should a nurse monitor a client for when administering oxytocin (Pitocin)? (Select all that apply)
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After administering methylergonovine (Methergine), what should the nurse be alert for? (Select all that apply)
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Methylergonovine (Methergine) should not be administered to which clients? (Select all that apply)
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What obstetric history should be obtained before beginning an IV infusion of oxytocin (Pitocin) to induce labor? (Select all that apply)
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Study Notes
Uterine Drugs Overview
- Oxytocic drugs include oxytocin (Pitocin), methylergonovine (Methergine), and misoprostol (Cytotec).
- Indomethacin is classified as a tocolytic, while estradiol is an estrogen.
Action and Effects of Oxytocin
- Oxytocin is secreted by the posterior pituitary gland.
- It stimulates uterine contractions and has vasopressor effects, which can elevate blood pressure.
- Oxytocin plays a role in milk ejection during lactation and does not have diuretic effects.
Administration of Oxytocin
- Oxytocin is administered for various reasons:
- Induction of labor in cases like gestational diabetes and a large fetus.
- Management of Rh incompatibility and premature rupture of membranes.
- Treatment of uterine inertia and pregnancy-induced hypertension.
Prevention of Hemorrhage
- Drugs used to prevent hemorrhage due to uterine atony include:
- Carboprost (Hemabate), methylergonovine (Methergine), and misoprostol (Cytotec).
- Indomethacin and terbutaline are used as tocolytics, not for preventing hemorrhage.
Use During Labor and Postpartum
- Oxytocin may be given intramuscularly in the third stage of labor to:
- Produce uterine contractions.
- Control postpartum bleeding and prevent hemorrhage.
Monitoring During Oxytocin Administration
- Clients receiving oxytocin should be monitored for:
- Water intoxication, especially with continuous infusion and concurrent fluid intake.
- Potential uterine rupture and hypertonicity.
- Cardiac arrhythmias and fetal bradycardia.
Adverse Effects of Methylergonovine
- Common adverse reactions include:
- Temporary chest pain and hypertension.
- Diarrhea, nausea, and vomiting.
- Clients experiencing chest pain or increased blood pressure should be closely observed.
Contraindications for Methylergonovine
- Methylergonovine should not be given to:
- Heavy smokers due to risk of excessive vasoconstriction.
- Clients taking concomitant vasopressors.
Obstetric History Prior to Oxytocin Infusion
- Necessary history includes:
- Number of pregnancies (parity), stillbirths, and abortions.
- Previous obstetric complications and delivery method.
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Description
Test your knowledge on uterine drugs with this flashcard quiz focused on oxytocic drugs. Identify which medications are considered oxytocic from a list of options. Perfect for students studying pharmacology or nursing.
