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Do Cats Get Pacemakers Too? — Complete Guide to Timing, Costs, and Recovery

HeartQ&AMeongsiljang Veterinary Advisory Board

Feline pacemaker implantation is a surgical procedure performed when a cat’s heart rate is so slow that it poses a life-threatening risk. Here’s a summary of the essential information every pet owner should know.

What Is Pacemaker Implantation in Cats?

Post-implantation status of a feline pacemaker

Inserting a pacemaker in cats is a surgical procedure that delivers electrical signals to the heart through electrodes to maintain a regular heartbeat when the heart rate is too slow, leading to inadequate blood supply. It is a treatment option that helps manage symptomatic bradycardia (slow arrhythmia). Bradycardia (slow heart rate): A condition in which the heart beats too slowly, causing symptoms such as fainting, weakness, or shock. Electrical signal regulation: The pacemaker sends electrical signals to the heart to help maintain an appropriate heart rate. Long-term management required: Regular check-ups are essential after implantation to monitor the heart rate and battery status. Post-surgical recovery: The prognosis is generally favorable if the implantation is successful, but strict rest and activity restriction are necessary for approximately four weeks.

Which Cats Need Pacemaker Implantation?

In cats, treatment is considered when the heart rate drops below 120 beats per minute, and a pacemaker may be implanted if electrical signals are not properly conducted due to a cardiac conduction disorder. However, unlike dogs, cats often tolerate complete atrioventricular block relatively well thanks to escape rhythms (median approximately 120 beats per minute).

Cardiac conduction block: A condition in which electrical signals in the heart are not properly transmitted.

Bradycardia (slow heart rate): A condition in which the heart beats too slowly, resulting in insufficient blood circulation.

Impact of underlying diseases: Underlying conditions such as decreased kidney function or high vagal tone may be the cause.

Recurrent symptoms: Considered when symptoms such as syncope, weakness, or shock recur.

Indications for pacemaker implantation in senior cats

How Is the Pacemaker Implantation Surgery Performed?

The procedure is typically performed under general anesthesia, involving a small incision in the chest or shoulder area to connect leads to the heart. The pacemaker generator is then implanted into a subcutaneous pocket.

Anesthesia preparation: General anesthesia is used to keep the cat stable throughout the procedure.

Lead placement: Leads are precisely positioned in the heart.

Device implantation: The pacemaker generator is placed and secured in a subcutaneous pocket.

Post-operative verification: An electrocardiogram (ECG) is performed after surgery to confirm proper device function.

The process of inserting pacemaker electrodes

What Is the Post-Surgical Recovery Period Like?

After surgery, your pet should be observed at the clinic for about 1–2 days, followed by rest at home. For approximately four weeks, strict activity restriction and rest are essential, along with prescribed medications.

Activity restriction: For about four weeks, strictly limit activity to prevent running or jumping.

Medication: Pain relievers and other medications may be prescribed for a specific period.

Wound care: Regularly check the incision site for signs of seroma (a common complication) and infection.

Regular check-ups: Routine examinations are necessary to monitor heart rhythm control and battery life.

These Symptoms Require an Immediate Hospital Visit

If your pet experiences fainting, difficulty breathing, swelling, or bleeding at the incision site after surgery, you should go to the hospital immediately. These could be signs of a medical issue or infection.

How to Manage Daily Care After Pacemaker Implantation

Regular check-ups and wound care are essential. You should also have your pet undergo periodic electrocardiogram (ECG) tests to ensure the device is functioning properly and to monitor heart rate and battery status.

Regular check-ups: Routine ECG and device checks are necessary to monitor heart rate regulation and battery life.

Medication: Depending on underlying conditions, heart medications or antibiotics may be required.

Activity management: Even after recovery, avoid excessive exercise and maintain daily activities within safe, comfortable limits.

Infection prevention: Keep the incision site clean to prevent infection and seroma, which are the most common complications.

A cat undergoing daily care after pacemaker implantation

Comparison Before and After Pacemaker Implantation

Item	Pre-operative Condition	Post-operative Condition
Heart rate	Under 120 beats/min (bradycardia)	Maintains appropriate heart rate
Activity capacity	Easily tired, possible fainting/weakness	Able to resume daily activities after stable recovery
Respiratory status	Difficulty breathing, rapid	Normal breathing, stable
Checkup interval	None	Regular checkups (heart rate/battery check)

If the pacemaker is successfully implanted, the prognosis is relatively good, and regular checkups are essential to control the heart rate and check the battery.

Points to Note: Device Interference and Infection Risk

Pacemaker leads can shift or break, and seromas or infections at the incision site are the most common complications after implantation. Because these issues can lead to serious complications, regular check-ups and careful wound care are essential.

Reviewed by a veterinarian

Dr. Tony — Punnawat Phongkittirak

Veterinarian

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.

Frequently Asked Questions

How long does the pacemaker implantation surgery take?

The duration of the surgery varies depending on the patient’s condition and the procedure being performed. When factoring in general anesthesia and recovery time, a one-day hospital stay may be necessary.

How long does a pacemaker last?

Since pacemakers are battery-operated, it’s important to check the battery life during regular check-ups. When the battery runs out, it may need to be replaced.

Does my cat need to take medication for life even after having a pacemaker implanted?

The device itself doesn't require medication, but depending on the underlying condition, heart medications or antibiotics may be necessary.

Is it okay for my cat to run around after having a pacemaker implanted?

For about four weeks after surgery, it’s important to strictly limit your pet’s activity and keep them resting. After that, they can gradually return to normal activities depending on their recovery progress, but it’s best to avoid excessive exercise.

How much longer can a cat live after receiving a pacemaker?

If the device is successfully implanted and properly managed, the prognosis is generally favorable. However, since some cats may experience progression of their underlying heart disease, regular check-ups are essential.