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How does patient controlled analgesia work?

Patient controlled analgesia (PCA) allows a patient to control their own intake of painkillers in the hospital. The health care staff will leave an intravenous catheter in place after surgery, along with a device that allows the patient to press a button for medication. PCA systems have a mechanism to prevent a patient from overdosing.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.