A psychological response to a significant life change or stressor — such as surviving a cardiac arrest, receiving an ICD, or a major change in health — in which the person experiences emotional or behavioural symptoms that are distressing or interfere with daily functioning, but do not meet the full criteria for another diagnosis such as PTSD or depression. Symptoms may include low mood, tearfulness, worry, difficulty concentrating, and withdrawing from usual activities. Adjustment disorder is very common following cardiac events and is usually time-limited, though it can benefit from psychological support. The distinction between adjustment disorder and depression or PTSD is sometimes blurred, and assessment by a clinician is always recommended if symptoms are persistent or severe.
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