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Beta Agonists
- iv infusion starting at 1microgramme/min.
Increase up to maximum of 5microgramme/min
if necessary
- Main effect on beta1
receptors
- Make tissue more prone to depolarisation by
Ca2+ influx
- 5-10% mortality when used as treatment
- now only used for 2-3hrs as a temporising measure
Drugs in class
Side effects
- adrenergic
stimulation
- O2→ demand increased possible extension of MI
- Stimulates lots of
cells risk of serious ventricular tachycardia
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