Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Conduction System

Conduction System of the Heart

What are the two systems that regulate heart activity? Autonomous and Intrinsic Conduction (Nodal System)
This node is considered the "pacemaker of the heart." Sinoatrial (SA) node
This node starts each heartbeat and sets the pace. Sinoatrial (SA) node
This node is located in the right atrium. Sinatrial (SA) node
This node is located at the junction of the atria and ventricles. Atrioventricular (AV) node
The atrioventricular (AV) node is also known as __________. The Bundle of HIS
The intrinsic conduction system enforces a contraction rate at about ___ beats per minute. 75
Define cardiac cycle. Events of one complete heartbeat, where atria and ventricles contract and relax.
Define cardiac output. Amount of blood pumped out by each side of the heart in 1 minute.
Define lub. First sound caused by CLOSING of AV valves.
Define dup. Second heart sound heard when semilunar valves close at end of systole.
Created by: rad1958tech