Have an account?
Log in to check out faster.
Loading...
FREE US SHIPPING ON ALL FLASHCARDS
An asynchronous pacemaker fires at a constant rate regardless of the heart's electrical activity.
A synchronous pacemaker only fires when the heart's intrinsic rate falls below a certain rate.
The sinus node (SA node) is the heart's normal pacemaker.
4.87012987 / 5.0
(231) 231 total reviews
Please select your country / currency.
Free economy shipping on The Survival Kit OR The Comprehensive Collection!
Select "USD" to purchase digital products including Level Up RN Membership.