Recovery from cardiac arrest is highly individual, but most survivors experience recovery as a gradual process that continues for 12 months or more — not a single moment of being "better."
Physical recovery from the cardiac arrest itself and any procedures (such as ICD implantation) typically takes weeks. Cognitive recovery — improvements in memory, concentration, and mental fatigue — often continues over the first year, with many survivors noticing meaningful improvement month by month. Psychological recovery, including processing the trauma of the event and adjusting to life with an ICD, can take longer and is not always linear.
Factors that affect the pace and extent of recovery include how long the brain was without oxygen during the arrest, how quickly CPR and defibrillation were given, the underlying cause of the arrest, age and general health, and access to rehabilitation and psychological support.
It is important not to compare your recovery to someone else’s. Many survivors make an excellent recovery and return to work, exercise, and a full life. Others are left with lasting cognitive or physical effects that require longer-term support and adjustment. Both experiences are valid.
If you feel that your recovery is not progressing or that you are struggling with the psychological impact, talk to your GP or cardiac team. Cardiac rehabilitation, neuropsychological support, and talking therapies can all play a role.