CARDIOVASCULAR
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THIS DEVICE IS COMMERCIALLY AVAILABLE IN SELECT INTERNATIONAL MARKETS.

SMALL. SMART. RELIABLE.
  • MRI ready
  • Small size; smooth, curved shape
  • Enhanced battery longevity
  • Communicates remotely with your doctor’s office

The Endurity MRI™ Pacemaker is a size and shape that allows your doctor to make a smaller incision during the implantation procedure. This pacemaker also requires a smaller pocket under the skin of your chest. 

With the Endurity MRI pacemaker, you can receive magnetic resonance imaging (MRI) scans under certain parameters.

BENEFITS
  • MRI ready (capable of going through an MRI scanner)
  • Requires small incision size for greater comfort
  • Extended replacement time because of battery longevity*
  • Capable of identifying quick changes in your condition and alerting your doctor 

*Actual battery life depends on how frequently your device sends electrical signals to your heart, and whether it is a single- or dual-chamber device.

RISKS
  • A small number of patients develop complications from the operation to implant the pacemaker and the leads in the body. These can include the following complications, which can usually be corrected or cured:
    • Infection
    • A reaction to a drug used during surgery
    • Blood loss
    • Damage to a blood vessel, the heart wall or other organ
  • After the surgery, you may feel some discomfort or feel tired, but these feelings only last a short time. Some patients, however, may continue to feel a bit uncomfortable in the area where the pacemaker was implanted.
  • Modern pacemakers have many safety features. Sometimes a pacemaker may not act properly because it is being affected by outside sources of electromagnetic energy.
  • It is also possible for the tip of the lead to shift in the heart so that the pulse is no longer effective. 
  • Very rarely, the device may slip out of the "pocket" in the chest.
  • Finally, remember these are man-made devices. It is important to monitor the device regularly with follow-up visits as often as your doctor recommends.
  • Contact your doctor if:
    • You notice you are tired, short of breath or your heart rate is changing
    • You notice the wound is red, hot, swollen, more painful, or beginning to drain fluid
    • Symptoms you had before the pacemaker was implanted seem to return
DEVICE SPECIFICATIONS

SINGLE CHAMBER

Dimensions (mm)
41 x 50 x 6
Weight (g)
19

DUAL CHAMBER

Dimensions (mm)
46 x 50 x 6
Weight (g)
19

HOW THE ENDURITY MRI ™ PACEMAKER WORKS

The Endurity MRI™ Pacemaker is made up of two components: a pulse generator and leads. The pulse generator contains a battery and electronic circuitry that send electrical pulses to the heart. This stimulates the heart and causes it to beat at a normal rhythm. The electrical pulses are very small.

The leads are thin wires that are inserted through a vein and connect the pulse generator to the heart. The leads pick up your own heart rhythm and transmit this information to the pulse generator, which adapts its response to your needs.

The programmer is an external tabletop computer that your doctor uses to change the pacemaker settings and download data stored in the pacemaker. Your doctor can adjust the therapy based on your needs over time without the need for further surgery.

The Endurity MRI pacemaker is an MRI ready (also called an MR conditional) device, which means that your doctor can set it so that you can get a magnetic resonance imaging (MRI) scan under certain parameters.

 

CAN I GET MRI SCANS WITH THIS PACEMAKER?

The Endurity MRI™ pacemaker is an MRI ready (also referred to as MR conditional) pacemaker. You can receive an MRI scan with the Endurity MRI pacemaker under certain parameters. Prior to having any MRI scan, talk with your doctor about the MRI scan you need and any specific parameters.

If you have an Abbott MR conditional pacemaker, download your MRI patient ID card.

WHY IS MRI COMPATIBILITY IMPORTANT?

MRI is fast becoming a preferred diagnostic imaging tool used by physicians in the treatment of cancer, stroke, heart-related conditions, and musculoskeletal disorders or injury. Because of its high-resolution image quality and low radiation risk, MRI is often selected over other diagnostic techniques. The use of MRI continues to grow. By having an MRI ready pacemaker, you will have the option of getting an MRI scan if the need arises.

HOW DO I KNOW IF I CAN SAFELY UNDERGO AN MRI SCAN WITH MY PACEMAKER?

As a patient with an MR conditional system, you should have received a special patient card that identifies you as having an MR conditional system. It is important for you to carry this card with you at all times. Sometimes MRI procedures are planned, and other times they are needed under unexpected circumstances. You will need to let the healthcare professionals caring for you, as well as the MRI technologist or radiologist, know that you have an MR conditional system. With an MR conditional system, you can be comfortable knowing that the device has been designed for safety under set conditions in the MRI environment.

WHAT CAN I EXPECT BEFORE, DURING AND AFTER AN MRI SCAN WITH MY PACEMAKER?

Your pacemaker needs to be put into special MRI settings for you to safely undergo an MRI scan. There are two ways your doctor might do this. The first way is for your doctor to program your pacemaker to the special MRI settings ahead of time and store those settings in the pacemaker. This programming happens during a follow-up appointment. Then, when you need an MRI scan, the MRI settings are enabled by a clinician, who places a small hand-held device over your pacemaker. The hand-held device uses radio waves to communicate with your pacemaker and enable the preprogrammed MRI settings. Activating the MRI settings is painless and takes only moments. The second method involves programming your device to MRI settings when it is determined you need an MRI scan. With this method, your doctor uses the programmer to temporarily set your device to MRI settings before your MRI scan. You can then safely under the MRI procedure.

After the MRI scan, your device needs to be returned to its regular settings. In other words, your MRI settings need to be disabled. This can be accomplished in the same two ways in which your MRI settings were enabled. With the first method, the hand-held device is placed back over your device to disable MRI settings and enable your pacemaker to go back to its permanent settings. With the second method, the programmer is used to program your device back to its regular settings after the scan. With either method, your device is placed back to its regular settings.

Your MR conditional pacemaker is designed to give your heart the support it needs, in addition to ensuring you can receive the best in diagnostic imaging in the future should that need arise. Your doctor is the best source of information about your total overall health. It is important to discuss any questions or concerns you might have with him or her.

IS IT SAFE TO PASS THROUGH METAL DETECTORS AND AIRPORT SECURITY SYSTEMS WITH A PACEMAKER?

It is considered safe to pass through a metal detector and airport security system. Walk through the systems at your normal walking rate. When security personnel perform a search with a handheld wand, request that the search be done quickly and that the wand be held over your pacemaker for no more than a second.

WHAT EXERCISES ARE SAFE WITH A PACEMAKER?

Talk to your doctor about your activities, especially about vigorous or strenuous exercise, but exercise and activity are healthy parts of life with a pacemaker.

CAN I USE A CELL PHONE WITH A PACEMAKER?

Cellular phones send electromagnetic signals, which can interfere with your pacemaker. You can minimize the risk by taking simple precautions, like:

  • Not carrying the cell phone in a pocket or bag over the pacemaker
  • Holding the cell phone to the ear furthest from the pacemaker

St. Jude Medical currently has put special filters in our pacemakers to prevent cell phone interference. Learn more about electromagnetic interference.

Find answers to more frequently asked questions.

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