Question

points Which of the following has an extremely short half-life, can hyperpolarize cardiac cells, and commonly causes temporary asystole after injection: * O Amiodarone (Cordorone) O Sotalol (Betapace) O Lidocaine (Xilocaine) O Digoxin (Lanoxin) O Adenosine (Adenocord) Which of the following is currently the first choice drug for Opoints treating MI-related tachycardia, has activity in all four drug classes, and has a very long half-life: * O Amiodarone (Cordorone) O Sotalol (Betapace) O Lidocaine (Xilocaine) O Digoxin (Lanoxin) O Adenosine (Adenocord)

Answer 1

Adenosine (Adenocord) has extremely short half life generally 10 second , this is used as antiarrhythmic agent. It can polarize cardiac cells and commonly causes temporary asystole after injection.Adenosine-induced transient asystole is common phenomenon.

Amiodarone Cardorone) is the drug of choice in case of MI- related trachycardia specially in case of ventricular tachycardia. It is having very long half life on an average about 58 day​​​​​​​.