• You will be able to go home on the same day as the procedure.
• After the surgery, you'll need someone to drive you home.
• Your healthcare team may advise you to look for the signs of infection, bleeding or swelling at the incision site.
• For the first 2 to 3 weeks after surgery, your health care team may advise you to avoid activities that strain your chest or upper arm muscles, such as lifting heavy weights above 10-15 pounds and movements like pushing, pulling, and twisting the arm.
• Your healthcare team may ask you to avoid strenuous activities like lifting heavy objects, vigorous above the shoulder exercises such as tennis, swimming golf and more for 4 to 6 weeks after the procedure.
• You can start eating your normal diet.
• Your doctor may advise you to avoid contact sports indefinitely as it may lead to damage to your device or dislodge the wires.
• It is okay to talk on a cellphone, but when the phone is turned on, keep it at least 6 inches (15 centimetres) away from your implantation site.
• You will be given a card stating that you have an ICD after your surgery because ICDs can set off airport security alarms and portable detectors.
• MRI, MRA or radiofrequency or microwave ablation are not recommended if you have an ICD.
• Keep your headphones at least 6 inches (15 centimetres) away from your ICD, as they can cause interference.
• Your healthcare team may ask you not to drive for 6 months after the procedure.  

Reference : Implantable cardioverter-defibrillator: MedlinePlus Medical Encyclopedia. (n.d.). Retrieved from https://medlineplus.gov/ency/article/007370.htm