Intrinsic Sympathomimetic Activity (ISA) Flashcards Preview

CV PHARM...Beta Blockers > Intrinsic Sympathomimetic Activity (ISA) > Flashcards

Flashcards in Intrinsic Sympathomimetic Activity (ISA) Deck (5)
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1
Q

ISA?

A

at rest…partial agonists

during activity…antagonists

2
Q

{pure antagonists}

A

propranolol

3
Q

BBs w/ ISA

A

**pindolol

acebutolol

4
Q

ISA effects

A

may prevent profound bradycardia or negative inotropy in resting heart

may be disadvantageous in context of secondary prevention of MI

5
Q

Since parasympathetic activity prevails in resting heart, BBs have minimal activity on resting heart.

But some individuals may experience bradycardia in resting heart

A

may want to use BBs w/ ISA for these pts