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Oxytocin
drug capsule
12
Pharmacology
Professional
03/22/2010

Additional Pharmacology Flashcards

 


 

Cards

Term

 

 

Oxytocin - trade name

Definition

 

 

Pitocin

Term

 

Oxytocin - class

Definition
pituitary hormone
Term
Oxytocin - description
Definition

  • "rapid birth"
  • synthetic, for posterior pituitary hormone
  • stim.s uterine sm. musc. contractions, helps expedite normal contractions of spontaneous labor
  • causes transient reduction in uterine blood flow
  • stim.s mammary glands to increase lactation w/out increase in millk prod.

Term
Oxytocin - onset and duration
Definition

onset: IV - immediate, IM w/in 3-5 min

duration: IV - 20 min after infusion stopped, IM - 30-60 min

Term
Oxytocin - Indications
Definition
postpartum hemorrhage after infant and placenta delivery
Term
Oxytocin - contraindications
Definition

  • hypertonic / hyperactive uterus
  • presence of another fetus
  • fetal distress

Term
Oxytocin - Adverse Reactions
Definition

 

  • hypotension / hypertension
  • tahcycardia
  • dysrythmias
  • angina pectoris
  • anxiety
  • seizure
  • N + V
  • allergic rxns
  • uterine rupture (from excessive administration)

 

Term
Oxytocin - Drug Interactions
Definition
vasopressors - may potentiate hypertension
Term
Oxytocin - Supply
Definition

10 USP units / 1 ml ampule (10 U/ml) and prefilled syringe

5 U/ml ampule and prefilled syringe

Term
Oxytocin - Dosage and Administration
Definition

Control of postpartum hemorrhage

IM: 3-10 units IM following delivery of placenta

Bleeding following incomplete or elective abortion

IV: mix 10-40 units (1-4ml) in 1 L NS or Ringers, infuse at 10-40 mU / min via microdrip, titrate

Term
Oxytocin - Special Considerations
Definition

  • Preg: X
  • vital signs and uterine tone should be monitored closely
  • admin. prehosp. only after delivery of al fetuses and placentas

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