Nursing Tips

An asynchronous pacemaker fires at a constant rate regardless of the heart's electrical activity.

Asynchronous Pacemaker

Cathy Parkes

An asynchronous pacemaker fires at a constant rate regardless of the heart's electrical activity.

Asynchronous Pacemaker

Cathy Parkes

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.

Synchronous Pacemaker

Cathy Parkes

A synchronous pacemaker only fires when the heart's intrinsic rate falls below a certain rate.

Synchronous Pacemaker

Cathy Parkes

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.

Sinus Node (SA node)

Cathy Parkes

The sinus node (SA node) is the heart's normal pacemaker.

Sinus Node (SA node)

Cathy Parkes

The sinus node (SA node) is the heart's normal pacemaker.