What Actually Happens When You Get An ICD Fitted?

 

An Implantable Cardioverter Defibrillator, usually called an ICD, is a small device placed under the skin to monitor the heart’s rhythm.

It is mainly used for people at risk of life-threatening ventricular arrhythmias. The device watches the heart continuously and can deliver treatment if a dangerous rhythm occurs.

The Procedure In Simple Terms

ICD implantation is not open-heart surgery. It is usually performed under local anaesthetic with sedation.

A small pocket is made under the skin near the collarbone. One or more leads are guided through a vein into the heart. These leads connect to the ICD generator, which sits under the skin.

The team checks that the device is sensing the heart rhythm correctly before the wound is closed.

Recovery At Home

The first few weeks are about protecting the wound and allowing the leads to settle.

Common advice may include:

  • Avoid heavy lifting

  • Avoid raising the arm high on the implant side

  • Keep the wound clean and dry as advised

  • Watch for swelling, redness, bleeding, or discharge

  • Attend device follow-up appointments

Will Daily Life Change?

You can usually return to many normal activities, but some adjustments are needed. Contact sports may be restricted. Strong magnets and certain industrial equipment may need to be avoided. Driving rules depend on why the ICD was fitted and whether shocks or blackouts have occurred, so always check individual guidance.

An ICD is there to protect you, not to stop you living. The key is understanding the recovery rules, follow-up plan, and practical safety habits.

If symptoms are severe, sudden, or worsening, call 999 immediately.

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