H2 agonist

H2 histamine receptor agonist

H2 histamine receptor agonist — mechanism peg (Ballicules) — H2 agonist — mechanism card

Gastric acid secretion from parietal cells
Mild positive chronotropy/inotropy at cardiac H2

↑ Gastric acid from parietal cells
Mild ↑ HR and contractility
Vasodilation (incl. coronary)
Bronchodilation
↓ Uterine tone
↑ Renin release

Drugs with this mechanism (1)

Histamine — Endogenous amine mediating arousal, allergy, and gastric acid.

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