Changes

Alpha-2 Agonists (view source)

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** Pre-synaptic inhibition of noradrenaline release gives a reduced sympathetic outflow. This decreases heart rate and offsets vasoconstriction.

* <u>Respiratory System</u>

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** The drugs cause mild depression of the respiratory ~~systsem~~.

+

** The drugs cause mild depression of the respiratory system.

** The response to hypercapnoea is reduced.

* <u>Gastrointestinal Tract</u>

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