GI Motility

Question 1

Laxatives

indication
action

Answer 1

• Indicated for treatment/prevention of constipation
• Actions:
  > soften stool
  > incr peristalsis

Question 2

Laxative Assessments

Answer 2

• Baseline Hx&Physical including allergies & meds
• Focused Assessment: bowel sounds, I&O, electrolyte
• Contraindicated in acute bowel disorders such as ileus, obstruction, ischemia, perforation

Question 3

Laxative AEs

Answer 3

• Loose stools (hold next dose)
• N/V
• Abdominal pain
• Dehydration
• Electrolye loss (K, Na, Mg, Cl)

Question 4

Laxative Therapeutic Effect

Answer 4

Achievement of a soft bowel movement w/in 24hrs of administration

Question 5

Laxative Interventions

Answer 5

• HOLD if loose stools
• Encourage 3L water daily, high fiber diet, incr activity
• For mult PRN softener/laxative orders:
  > docusate 1st; safe

Question 6

Laxative PT Education

Answer 6

• Do not take if experiencing N/V, abdominal pain
• Contact PCP if experiencing severe abdominal pain, muscle weakness, cramps, and/or dizziness
• Long term use of laxatives results in dcrd bowel tone & may lead to dependency; use for no more than 7 days

Question 7

Polythylene Glycol (MiraLAX) - Class & MOA

Answer 7

• Class: Bulk Stimulants: Hyperosmotic Laxative
• MOA: incr water absorp into colon & GI tract
  > water follows polyethylene glycol; which stays in colon & GI tract

Question 8

Polyethylene Glycol (MiraLAX) - Indications

Answer 8

• Constipation
• Evacuate bowel for diagnostic procedures
  > high dosage

Question 9

Polyethylene Glycol (MiraLAX) - AEs

Answer 9

• Loose stools
• N/V
• Abdominal pain
• Dehydration
• Electrolyte loss (K, Na, Mg, Cl)

Question 10

Polyethylene Glycol (MiraLAX) - Nursing Considerations

Answer 10

• Mix w/ 4-8oz of water
• Fall risk in acute care