Aspirin (ASA)

Question 1

Pharm. and actions

Answer 1

Blocks formation of thromboxane A2 which causes platelets to aggregate and arteries to constrict

Question 2

Indications

Answer 2

Chest pain suspected of being cardiac in origin

Question 3

Contraindications

Answer 3

Known hypersensitivity; relatively contraindicated in patients with active ulcer disease; asthma

Question 4

Administration

Answer 4

2-4 chewable baby aspirin 160-325 mg Oral

Question 5

Side effects and special notes

Answer 5

Higher doses can interfere with prostacyclin production and can interfere with positive benefits; Aspirin alone, started within 24 hours of the onset of an acute MI, reduced overall mortality to almost the same degree as thrombolytic agents.

Question 6

Class

Answer 6

A