Glucagon Flashcards
Glucagon
Class
Hyperglycemic agent, pancreatic hormone, insulin antagonist
Glucagon
Mechanism of Action
Increases blood glucose levels by stimulating glycogenesis. Unknown mechanism of stabilizing cardiac rhythm in beta-blocker overdose. Minimal positive inotropic and chronotropic response. Decreases gastric motility.
Glucagon
Indications
AMS when hypoglycemia is suspected. May be used as an inotropic agent in beta-blocker overdose.
Glucagon
Contraindications
Hyperglycemia, hypersensitivity
Glucagon
Adverse Reactions
Nausea, vomiting, tachycardia, and hypertension.
Glucagon
Drug Interactions
Incompatible in solution with most other substances. No significant interactions with other emergency medications.
Glucagon
Adult Dosage
Hypoglycemia
0.5 – 1 mg, may be repeated in 7 – 10 minutes
Glucagon
Adult Dosage
Calcium Channel Blocker or Beta-Blocker Overdose
3 mg
initially, followed by the 3 mg/hr infusion as necessary.
Glucagon
Pediatric Dosage
Hypoglycemia
0.5 – 1 mg
Glucagon
Pediatric Dosage
Calcium Channel Blocker or Beta-Blocker Overdose
Not
recommended
Glucagon
Onset
1 Minute
Glucagon
Peak Effect
30 Minutes
Glucagon
Duration
Variable
Glucagon
Special Considerations
Ineffective if glycogen stores are depleted. Should be used in conjunction with D50 whenever possible. If patient does not respond to seconds dose D50 must be administered.