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decompensation

The point at which an organ or the body can no longer make up for a disease, so it stops working well enough.

dee-kom-pen-SAY-shun noun

What it means

For a time, the body adjusts to many diseases, for example a failing heart beats faster and the kidneys hold fluid. When these adjustments are no longer enough, the condition is decompensated. "Acute decompensated heart failure" and "decompensated cirrhosis" are common examples. In mental health, it describes a worsening of symptoms in someone who had been coping.

For the nurse

Watch trends rather than single values: rising weight, heart rate or breathing rate, falling blood pressure or urine output, and new confusion can show a client is decompensating. Report them early.

At a glance

Also writtendecompensated

Related terms

heart failure

A long-term condition in which the heart cannot pump enough blood to meet the body's needs.

exacerbation

A time when a long-term disease suddenly gets worse, or its symptoms flare up.

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