Chapter 4.4 Helping the heart Flashcards
What can damaged heart valves be replaced with?
Damaged heart valves can be replaced using biological or mechanical valves.
What cells control the resting heart rate?
The resting resting heart rate is controlled by a group of cells in the right atrium that form a natural pacemaker.
What are artificial pacemakers?
Artificial pacemakers are electrical devices used to correct irregularities in the heart rhythm.
When are artificial hearts used?
Artificial are occasionally used to keep patients alive while they wait for a transplant, or for their heart to rest as an aid to recovery.
How does an artificial pacemaker work?
A pacemaker helps monitor and control your heartbeat. The electrodes detect your heart’s electrical activity and send data through the wires to the computer in the generator. If your heart rhythm is abnormal, the computer will direct the generator to send electrical pulses to your heart.
