Opioid Analgesics

Definition

Opioid analgesics are a class of medications used to relieve severe pain by binding to opioid receptors in the brain and spinal cord. They are often used in emergency settings for acute cardiac events where pain management is critical.

5 Must Know Facts For Your Next Test

1. Opioid analgesics can cause respiratory depression, which is a significant risk in cardiac emergencies.
2. Common examples of opioid analgesics include morphine, fentanyl, and hydromorphone.
3. In cardiac emergencies, opioid analgesics can help reduce anxiety and oxygen demand by alleviating pain.
4. Naloxone is an antagonist that can rapidly reverse the effects of opioid overdose.
5. Opioid analgesics should be administered cautiously in patients with hypotension or compromised respiratory function.

Review Questions

• What are the primary risks associated with using opioid analgesics in cardiac emergencies?
• Name three common opioid analgesics used in emergency settings.
• How does naloxone interact with opioid analgesics?

Related terms

Naloxone: A medication used to counteract life-threatening depression of the central nervous system and respiratory system caused by opioids.

Respiratory Depression: A serious condition where breathing becomes inadequate due to the effects of opioids on the central nervous system.

Morphine: An opioid analgesic commonly used for pain relief during acute myocardial infarction (heart attack).