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Pharmacology Day3
| Question | Answer |
|---|---|
| Management of Pain | Treat the cause. • Select a safe analgesic. • Select the analgesic that provides effective relief. • Provide psychological support. • Nursing actions: position change and back rub |
| Management of Pain | • Need to check client’s/patient’s level of pain. Minimizing pain may lead to longer stay in the hospital. Always assess client for pain and not to with hold analgesics needed by the client. |
| Analgesics | • Analgesic drugs relieve pain without causing loss of consciousness. • Mild to moderate pain like headache or muscle pain can be help with acetaminophen, ASA. • More severe pain can be helped with opioids. • Anti-inflammatory like ibuprofen (NSAID |
| Uses for Opioid Analgesics | • Main use: to alleviate moderate to severe pain • Opioids are also used for: ▫ Cough suppression, but not for nasal congestion ▫ Diarrhea treatment The suppressant effect of these agents on the motility of the GI are used for the treatment of dia |
| Opioid Analgesics – Morphine sulfate | • Morphine sulfate is a schedule II controlled substance. • An effective treatment for ischemic chest pain or pain caused by acute myocardial infarction . • It’s prescribed for pulmonary edema that accompanies cyanotic congenital heart defects. |
| Opioid Analgesics – Morphine sulfate | It relieves pulmonary congestion and reduces myocardial oxygen requirements in the heart. • Used to treat moderate-severe pain |
| Effects of Opioid Analgesics | • Euphoria • Nausea and vomiting • Respiratory depression – patients with asthma are the highest risk • Urinary retention • Diaphoresis and flushing • Pupil constriction (miosis) • Constipation |
| Complications of Opioid Analgesics | • Respiratory implications • Constipation concerns • Safe Nsg. Practice 10-4 • Some of the most common adverse effects: 1. orthostatic hypotension 2. Nausea and vomiting 3. constipation |
| Opiates: Opioid Tolerance | • A common response to chronic opioid treatment • Larger dose of opioids is required • Opioid analgesic use also is associated with the development of tolerance and dependence. • With continued long term use, tolerance develops rapidly to the eupho |
| Opiates: Opioid Tolerance | Abstinence syndrome develops when the drug is abruptly discontinued. • Body will develop signs and symptoms like sweating, restlessness and diarrhea. • Symptoms associated with abstinence syndrome are generally more pronounced if high narcotic d |
| Opiates: Physical Dependence | • Physiologic adaptation to the presence of an opioid • If in need of pain relief, give the medication • The pain should be treated before it becomes moderate to severe for the opioids to be most effective |
| Opiates: Physical Dependence | • Post Operative Clients- Offer pain med the 1 st 24-48 hrs. Don’t give opioids if the respiration is less than 12/min. • Its better to use a fentanyl patch for new post op that had undergone major surgery like explore laparotomy for the client |
| Opiate Antagonists | • Naloxone (Narcan) and naltrexone (ReVia) pure opioid antagonists and will rapidly produce withdrawal symptoms. ▫ Opiate antagonists ▫ Bind to opiate receptors and prevent a response ▫ Used for reversal of opioid-induced respiratory depression |
| Opioid Analgesics | • PCA- Pt Controlled Analgesia gives patient to exercise control over analgesia administration. • Table 10-6 – Popular Opioid Analgesic Combination Products • Vicodin is a combination product that has a lower dose of opioid analgesic but achieves |
| Opioid Analgesics | • All opioid analgesics used for epidural or intrathecal administration must be preservativefree to avoid nerve tissue damage. |
| Placebos | • Placebos are being used to treat clients that has chronic pain. • Placebos are generally used when there is no specific or particular treatment or medication for the clients pain or illness |
| Placebos | • Placebos are sometimes used in clients who have not responded to other pain relief measures. • It is also effective in beginning the self healing process. |
| ASA: Side Effects | • Gastrointestinal irritation and bleeding Client must take with food or antacid. • Increases bleeding time • Tinnitus (ringing in the ears) • Children: Reye’s syndrome – Children with URI or chicken pox with elevated temperature must not be tre |
| Other Analgesics | • Ergotamine tartrate (Ergostat) are used in treating migraine headaches. |
| Other Analgesics | • Sumatriptan Succinate ( Imitrex) a new drug used to treat migraine headache. Clients using this drug must be monitored for hypertension and angina ( high blood pressure and chest pain). |
| Risks of Injected Anesthetics | • Blood pressure changes • Emergence delirium • Malignant hyperthermia Drug of choice is Dantrolene |
| Presurgical Nursing Interventions • | • Important to check vital signs before preanesthetic or anesthetic agents are given: * Provides baseline to check for v/s during and after procedure |
| Presurgical Nursing Interventions | * Alert others for possible problems that could result from anesthetizing the client; * Indicate health problems that might affect whether or not the procedure will be carried out. |
| Surgical Nursing Interventions | • Hearing is the last sense to disappear and the 1 st to appear in an unconscious person; • Swallowing reflex must come back prior to removing the airway; |
| Surgical Nursing Interventions | • Clients that receive general anesthesia may develop hypotension due to the ff: 1. Depression of the vasomotor center of the brain 2. Loss of blood and body fluids 3. Opioid drugs given for relief of pain • Dantrolene is the drug of choice to treat |
| Post Surgical Nursing Interventions | • Clients who received ketamine hydrochloride (Ketalar)may have emergence reaction, including delirium, hallucinations, confusion and excitement. To minimize, place clients in a quiet place and disturb as little as possible. |
| Salicylates | •Do not give salicylates to children under age 12. ▫ Reye’s syndrome •Give with food and milk. Give the largest dose of ASA at bedtime to help decrease pain in the morning |
| Client Education | • Educate clients about precautions. • Watch for: ▫ Unusual bleeding, abdominal pain, and cardiac problems • Enteric-coated tablets should not be crushed or chewed. • Clients that require intra-articular injections often feel better and may eng |
| Client Education | • Clients that require intra-articular injections often feel better and may engage in streneous activities. • Clients must be informed that it is not curative and must not put much physical stress on the affected joint to cause further damage. |
| Gout | • 90 % of primary gout found in men than in women. • 25 % of all close relatives of persons with gout exhibit hyperuricemia. • About 2.1 million individuals in the U.S. have gout • Gout usually appears in the middle age. |
| • Acute attacks of gout may be provoked by | by: a. turkey b. thiazide diuretics c. penicillins |
| Acute Attacks Treatments | • Acute attacks of gout are treated with: ▫ Nonsteroidal anti-inflammatory drugs (NSAIDs) ▫ Corticosteroids |
| Acute Attacks Treatments | ▫ Colchicine: intravenously or orally ▫ Colchicine is successful in relieving acute gouty attacks in about 90% of all clients and confirms diagnosis. |
| Drugs used in the treatment of acute gout attack | •1. Colchicine •2. Phenylbutazone •3. Indomethacin |
| Colchicine | • Major adverse effects: ▫ Nausea, vomiting, and diarrhea ▫ Gastrointestinal bleeding ▫ Neuritis ▫ Myopathy ▫ Alopecia ▫ Bone marrow depression |
| Uricosuric Agents | • Clients taking uricosuric agents like Probenecid ( Benemid) or Sulfinpyrazone (Anturane) should avoid aspirin and other salicylates which could antagonize their uricosuric effects. |