Chapter 16 - Ford Anesthetic Drugs

Lidocaine (Xylocaine) - Local Anesthetic

Adverse reactions: Patients may experience allergic reactions, central nervous system toxicity including seizures, and cardiac issues; Contraindications: Should not be used in patients with severe trauma or septicemia due to the potential for worsening the condition; Precautions: Use cautiously in individuals with hepatic (liver) or renal (kidney) impairment, and those with heart block; Interactions: Can increase the sedative effects of other CNS depressants; Uses: Primarily utilized for providing local anesthesia during minor surgical procedures, as well as for analgesia in various medical interventions; Actions: Functions by blocking nerve conduction through inhibiting sodium ion influx, thereby preventing pain signals from being transmitted to the brain.

Bupivacaine (Marcaine) - Local Anesthetic

Adverse reactions: Serious risks such as cardiac arrhythmias and hypotension may occur, which can lead to instability in cardiovascular status; Contraindications: Should not be administered to patients allergic to amide anesthetics or used in obstetrical paracervical blocks due to potential risks; Precautions: Caution is advised for patients with pre-existing cardiovascular diseases; Interactions: There's an increased risk of toxicity when used with other local anesthetic agents; Uses: Employed for regional anesthesia in various surgical procedures and for effective postoperative pain management; Actions: Provides prolonged relief by extending the duration of both sensory and motor nerve block.

Propofol (Diprivan) - General Anesthetic

Adverse reactions: Can lead to respiratory depression, resulting in inadequate breathing, and hypotension requiring vigilant monitoring; Contraindications: Allergies to egg or soybean, as they are ingredients in the formulation; Precautions: Patients with airway obstructions require close monitoring to ensure safety during administration; Interactions: When combined with narcotics and sedatives, it may enhance their CNS depressant effects; Uses: Widely utilized for induction and maintenance of anesthesia during surgical procedures due to its rapid onset; Actions: Induces a global CNS depression, facilitating anesthesia effects quickly and effectively.

Etomidate (Amidate) - General Anesthetic

Adverse reactions: May cause adrenal insufficiency, which can disrupt the body’s stress response and lead to involuntary muscle movements; Contraindications: Should not be used in patients with known hypersensitivity to the drug; Precautions: Caution is necessary in patients with sepsis, as it can complicate the management of the condition; Interactions: Can enhance the effects of other anesthetic agents when used concurrently; Uses: Primarily indicated for induction of general anesthesia, especially when a rapid onset is needed; Actions: Works by facilitating the activity of GABA-A receptors, thus promoting hypnotic effects conducive to anesthesia.

Ketamine (Ketalar) - General Anesthetic

Adverse reactions: Patients might experience hallucinations during recovery and hypertension, necessitating careful monitoring; Contraindications: Should be avoided in patients with severe cardiovascular disease that could be exacerbated; Precautions: Use cautiously in individuals with preexisting psychiatric conditions due to the possible onset of hallucinations; Interactions: The effects can be intensified when combined with other CNS depressants; Uses: Known for its effectiveness in induction and maintenance of anesthesia in various surgical settings, particularly in emergency scenarios; Actions: Produces dissociative anesthesia by blocking NMDA receptors, which leads to a state of profound analgesia and amnesia.

Sevoflurane (Ultane) - Inhalation Anesthetic

Adverse reactions: Can cause respiratory irritation that may complicate ventilation, as well as hypotension; Contraindications: History of malignant hyperthermia is a critical contraindication due to the risk of dangerous reactions; Precautions: Must be used cautiously in patients with metabolic disorders to prevent complications; Interactions: Administering with other anesthetics can enhance their effects; Uses: Frequently used for induction and maintenance of general anesthesia, particularly in outpatient settings for its favorable recovery profile; Actions: Causes relaxation of airway smooth muscle, making ventilation easier during surgical procedures.

Desflurane (Suprane) - Inhalation Anesthetic

Adverse reactions: Risks include hypotension and increased heart rate, requiring careful cardiovascular monitoring; Contraindications: Not recommended for patients with severe respiratory disease, as it might worsen their condition under anesthetic influence; Precautions: Use cautiously in patients with sensitive airways to avoid complications during anesthesia; Interactions: Potentially affects the metabolism of other concurrent medications; Uses: Particularly favored for outpatient surgeries due to its quick metabolism and rapid recovery; Actions: Characterized by a minimal degree of metabolic breakdown in the body, permitting swift dosing adjustments during procedures.

Nitrous Oxide (Nitronox) - Inhalation Anesthetic

Adverse reactions: Patients may experience nausea and dizziness, potentially affecting comfort levels during procedures; Contraindications: Should be avoided in pregnant women and individuals with pneumothorax due to associated health risks; Precautions: Caution is advised for use in patients with increased intracranial pressure; Interactions: Can interact with CNS depressants, increasing sedation risks; Uses: Primarily effective for providing anxiety relief during minor procedures and serves as an analgesic; Actions: Offers both analgesic and anesthetic effects, rendering it ideal for pain control and sedation during medical interventions.

Fentanyl (Sublimaze) - Opioid Analgesic

Adverse reactions: Risk of respiratory depression and sedation, necessitating careful monitoring and dosage adjustments; Contraindications: Should not be prescribed to opioid-naïve patients due to the heightened risk of overdose; Precautions: Caution is recommended for use in elderly or debilitated individuals due to their higher susceptibility to adverse effects; Interactions: Increased risk of respiratory depression when combined with other CNS depressants; Uses: Functions as an adjunct to anesthesia during surgical procedures to provide effective pain relief; Actions: Combines analgesic and sedative properties, making it very effective in ensuring patient comfort during surgical interventions.

Midazolam (Versed) - Benzodiazepine Sedative

Adverse reactions: May cause respiratory depression and hypotension, requiring diligent monitoring of vital signs; Contraindications: Can exacerbate conditions like acute narrow-angle glaucoma; Precautions: Continuous monitoring of respiratory function is key in all patients to prevent complications; Interactions: Sedative effects are amplified when administered alongside opioids; Uses: Commonly applied as a pre-medication for surgical procedures and effective sedation during outpatient procedures; Actions: Enhances the action of GABA in the brain, leading to significant sedation and possible amnesia regarding the procedure.

A patient is receiving Lidocaine (Xylocaine) for local anesthesia. Which of the following is an important nursing consideration?
A. Monitor cardiovascular status due to risk of hypotension
B. Administer with caution for patients with renal impairment
C. Use in patients with severe trauma
D. Discontinue immediately if patient reports drowsiness

Correct Answer: B. Administer with caution for patients with renal impairment.
Rationale: Lidocaine can accumulate in patients with renal impairment, leading to increased risk of toxicity and adverse effects.

Which adverse reaction should you monitor for in a patient receiving Bupivacaine (Marcaine)?
A. Nausea
B. Cardiac arrhythmias
C. Respiratory depression
D. Seizures

Correct Answer: B. Cardiac arrhythmias.
Rationale: Bupivacaine is known to cause serious cardiac effects, including arrhythmias, particularly if toxicity occurs.

During the administration of Propofol (Diprivan), the nurse should be prepared to monitor for which of the following?
A. Hypotension and respiratory depression
B. Hypertension and nausea
C. Bradycardia and vomiting
D. Allergic reactions to shellfish

Correct Answer: A. Hypotension and respiratory depression.
Rationale: Propofol can lead to significant hypotension and respiratory depression requiring vigilant monitoring throughout administration.

Etomidate (Amidate) is being used for induction of anesthesia. Which of the following reactions must the nurse be cautious of?
A. Adrenal insufficiency
B. Hallucinations
C. Cardiac distress
D. Increased intracranial pressure

Correct Answer: A. Adrenal insufficiency.
Rationale: Etomidate can cause adrenal suppression, impacting the patient's stress response and requires close monitoring.

A patient is undergoing surgery and receives Ketamine (Ketalar). What is a well-known interaction that may occur during recovery?
A. Increased sedation
B. Nausea and vomiting
C. Hallucinations
D. Respiratory depression

Correct Answer: C. Hallucinations.
Rationale: Ketamine can lead to dissociative effects, and patients may experience hallucinations in the recovery phase.

What is a major nursing action when administering Sevoflurane (Ultane) during anesthesia?
A. Ensure patient is fasting for at least 12 hours
B. Monitor for respiratory irritation and hypotension
C. Administer with IV fluids
D. Pre-medicate with opioid analgesics

Correct Answer: B. Monitor for respiratory irritation and hypotension.
Rationale: Sevoflurane can irritate the airways, affecting ventilation and sometimes leading to hypotension.

When is Desflurane (Suprane) contraindicated?
A. Patients with severe respiratory disease
B. Outpatient surgeries
C. Patients with cardiac arrhythmias
D. Pregnant women

Correct Answer: A. Patients with severe respiratory disease.
Rationale: Desflurane can worsen respiratory issues in patients with severe respiratory illnesses and is hence contraindicated.

A nurse is preparing to administer Nitrous Oxide (Nitronox) for sedation during a minor procedure. Which of the following should the nurse assess first?
A. Patient's level of consciousness
B. Patient's allergies to medications
C. Blood pressure and respiratory rate
D. Current medications

Correct Answer: C. Blood pressure and respiratory rate.
Rationale: Monitoring vital signs is crucial as Nitrous Oxide can cause respiratory depression and changes in blood pressure.

Which of the following is the primary use of Fentanyl (Sublimaze) during surgical procedures?
A. Sedation
B. Induction of anesthesia
C. Analgesia
D. Muscle relaxation

Correct Answer: C. Analgesia.
Rationale: Fentanyl is an opioid used primarily for its powerful analgesic effects to manage pain during surgeries.

What is the primary action of Midazolam (Versed) in surgical settings?
A. Provides analgesia
B. Induces respiratory depression
C. Provides sedation and amnesia
D. Blocks pain pathways

Correct Answer: C. Provides sedation and amnesia.
Rationale: Midazolam is a benzodiazepine that produces sedation and may lead to amnesia regarding the procedure.

Before administering anesthesia, which patient history is most relevant for Lidocaine (Xylocaine)?
A. History of allergic reactions to amide anesthetics
B. Recent gastrointestinal surgeries
C. History of hypertension
D. Previous history of seizures

Correct Answer: A. History of allergic reactions to amide anesthetics.
Rationale: Lidocaine should not be administered to patients with known allergies to amide anesthetics due to serious risks.

What is a nursing intervention when administering Bupivacaine (Marcaine)?
A. Assessing for cerebral toxicity symptoms
B. Monitoring for decreased muscle tone
C. Observing for allergic reactions upon first use
D. Ensuring hydration before administration

Correct Answer: C. Observing for allergic reactions upon first use.
Rationale: It’s critical to monitor for allergic reactions, especially if it’s the patient's first exposure.

During which phase of care is Propofol (Diprivan) administered?
A. Postoperative phase
B. Intraoperative phase
C. Preoperative phase
D. Recovery phase

Correct Answer: B. Intraoperative phase.
Rationale: Propofol is commonly used during the intraoperative phase for induction and maintenance of anesthesia.

The nurse is monitoring a patient receiving Etomidate (Amidate). What is the priority assessment?
A. Respiratory function
B. Blood glucose levels
C. Cardiovascular status
D. Mental status

Correct Answer: A. Respiratory function.
Rationale: Patients receiving Etomidate need close monitoring of respiratory function due to the risk of respiratory depression.

Which assessment is critical after administering Ketamine (Ketalar)?
A. Monitor for emergence phenomena or hallucinations
B. Assess for vomiting
C. Observe for muscle rigidity
D. Monitor for hypertension only

Correct Answer: A. Monitor for emergence phenomena or hallucinations.
Rationale: Ketamine may induce hallucinations during the recovery phase, requiring vigilance.

What precaution should be taken with Sevoflurane (Ultane)?
A. Ensure no history of allergic reactions
B. Start IV fluids before induction
C. Isolate from patient with metabolic disorders
D. Make sure the patient has fasted for 8 hours

Correct Answer: C. Isolate from patient with metabolic disorders.
Rationale: Caution is advised in patients with metabolic disorders; Sevoflurane could complicate their condition.

In what circumstance is Desflurane (Suprane) typically indicated?
A. In emergencies requiring quick recovery
B. For long-duration surgeries
C. During pediatric procedures
D. For patients with chronic respiratory conditions

Correct Answer: A. In emergencies requiring quick recovery.
Rationale: Desflurane is utilized in situations that benefit from rapid onset and recovery.

When giving Nitrous Oxide (Nitronox), which assessment is essential?
A. Assess for nausea and dizziness
B. Ensure no history of substance abuse
C. Monitor for skin reactions
D. Evaluate kidney function

Correct Answer: A. Assess for nausea and dizziness.
Rationale: Patients may experience nausea or dizziness from Nitrous Oxide, making these assessments essential.

In which patient scenario is Fentanyl (Sublimaze) contraindicated?
A. A patient with a history of opioid addiction
B. A 55-year-old undergoing elective surgery
C. A patient experiencing mild pain
D. A cancer patient undergoing chemotherapy

Correct Answer: A. A patient with a history of opioid addiction.
Rationale: Fentanyl poses a high risk in opioid-naïve patients and those with addiction history due to overdose potential.

What nursing intervention is essential before giving Midazolam (Versed)?
A. Evaluate for allergic reactions
B. Ensure patient hasn’t eaten
C. Assess respiratory function
D. Administer slowly via IV

Correct Answer: C. Assess respiratory function.
Rationale: Monitoring respiratory function is critical due to the risk of respiratory depression with Midazolam.

A patient has a history of malignant hyperthermia. Which anesthetic should be avoided?
A. Sevoflurane
B. Desflurane
C. Lidocaine
D. Nitrous Oxide

Correct Answer: B. Desflurane.
Rationale: Desflurane can trigger malignant hyperthermia and should be avoided in susceptible patients.

When preparing to administer Bupivacaine (Marcaine), which of the following assessments is most critical?
A. Obtain baseline vital signs
B. Assess the area for infection
C. Review allergies to local anesthetics
D. Confirm patient identity

Correct Answer: C. Review allergies to local anesthetics.
Rationale: Patients with allergies to local anesthetics are at risk for severe reactions.

Before surgery, a patient is given Propofol (Diprivan). Which of the following is a priority action?
A. Have resuscitation equipment available
B. Ensure the patient is well-hydrated
C. Note any robotic behavior
D. Ensure no jewelry is worn

Correct Answer: A. Have resuscitation equipment available.
Rationale: Due to the risk of respiratory depression, it is essential to have emergency equipment on hand.

What should a nurse educate a patient regarding side effects post-administration of Ketamine (Ketalar)?
A. Discuss risks of hiccups
B. Explain potential for intense dreams
C. Address possibility of overwhelming sedation
D. Warn about opioid-like withdrawal symptoms

Correct Answer: B. Explain potential for intense dreams.
Rationale: Ketamine can cause vivid dreams or hallucinations during recovery.

Which is a key consideration when administering Nitrous Oxide (Nitronox)?
A. Use within metabolic limits
B. Assess for any cardiovascular disease first
C. Verify pregnancy status
D. Confirm with patient regarding allergies

Correct Answer: C. Verify pregnancy status.
Rationale: Nitrous Oxide is contraindicated in pregnancy due to potential risks to the fetus.