glucagon

see also:

• hormones
• insulin

• a peptide hormone, produced by alpha cells of the pancreas, that raises blood glucose levels by stimulating gluconeogenesis and glycogenolysis in the liver, and turns off glycolysis
• it can be also given parenterally to Rx hypoglycaemia, beta adrenergic blocker overdose and impacted food bolus in oesophagus
• it can also be given to patients on beta adrenergic blockers who develop anaphylaxis which is resistant to adrenaline / epinephrine Rx.

• hypoglycaemia
• adrenaline
• arginine
• alanine
• acetylcholine
• cholecystokinin (CCK)

• somatostatin
• insulin (via GABA)
• increased free fatty acids or keto acids in the blood
• increased urea production

• phaechromocytoma
• insulinoma

• headache
• nausea
• hyperglycaemia
• hypertension