窦房结能成为心脏pacemaker的原因是

Fitting the body of an artificial pacemaker and the leads of it can be fairly easy.

When ventricular tachycardia causes hypotension, heart failure, or myocardial ischemia, the most important Treatment is? () A: Atropine B: Isoproterenol C: Lidocaine D: Pacemaker E: asynchronized DC cardioversion

When<br/>ventricular tachycardia causes hypotension, heart failure, or<br/>myocardial ischemia, the most important treatment ___?() A: Pacemaker B: Isoproterenol C: Lidocaine D: Synchronized<br/>DC cardioversion E: Beta-blocker