Ambulatory Anesthesia Practice Questions

Q: A patient is admitted to a day care nursing home for a laparoscopic cholecystectomy. This patient is otherwise healthy. What is the anesthetic of choice in this patient?

Propofol. **Explanation:** The primary goal of **Ambulatory (Day Care) Anesthesia** is to ensure a rapid, smooth recovery with minimal side effects, allowing the patient to be discharged safely on the same day. **Why Propofol is the Correct Answer:** Propofol is the **gold standard induction agent** for daycare surgery due to its unique pharmacokinetic profile: * **Rapid Onset and Recovery:** It has a short context-sensitive half-life, leading to quick emergence and clear-headedness ("clear-headed recovery"). * **Anti-emetic Properties:** Unlike inhalational agents, propofol possesses intrinsic anti-emetic effects, significantly reducing **Postoperative Nausea and Vomiting (PONV)**—the leading cause of delayed discharge in ambulatory settings. * **Smooth Induction:** It suppresses airway reflexes, making it ideal for Laryngeal Mask Airway (LMA) insertion. **Why Other Options are Incorrect:** * **Halothane:** It has a slow onset and recovery. More importantly, it is associated with "halothane hepatitis" and sensitizes the myocardium to catecholamines, making it unsuitable for modern daycare practice. * **Ketamine:** It causes a high incidence of **emergence delirium**, hallucinations, and prolonged recovery times, which are contraindicated in patients needing to go home shortly after surgery. * **Ether:** It is obsolete in modern anesthesia due to its high flammability, slow induction/recovery, and severe incidence of PONV. **High-Yield Clinical Pearls for NEET-PG:** * **Drug of Choice for TIVA** (Total Intravenous Anesthesia): Propofol. * **Ideal Inhalational Agent for Daycare:** **Desflurane** (fastest recovery due to lowest blood-gas solubility) or **Sevoflurane** (best for mask induction). * **Discharge Criteria:** The **Aldrete Score** or **PADSS** (Post-Anesthetic Discharge Scoring System) is used to determine if a patient is fit for discharge. A score of $\geq$ 9 is typically required.

Q: Which drug is commonly used in day care anesthesia?

Propofol. **Explanation:** **Propofol** is the gold standard induction agent for daycare (ambulatory) anesthesia. The primary goal of daycare anesthesia is a rapid, smooth recovery with minimal side effects to allow for early discharge. Propofol fits this profile perfectly due to its **rapid onset** and **ultra-short duration of action** (redistribution half-life of 2–4 minutes). Crucially, it possesses significant **anti-emetic properties**, which reduces the incidence of Postoperative Nausea and Vomiting (PONV)—the leading cause of delayed discharge and unplanned hospital admission. **Why the other options are incorrect:** * **Enflurane:** An older inhalational agent rarely used today. It has a higher blood-gas partition coefficient than modern agents (like Sevoflurane), leading to slower recovery. It is also associated with a risk of seizure-like activity (epileptiform EEG). * **Xenon:** While it has an excellent safety profile and rapid emergence, it is extremely expensive and requires specialized delivery systems, making it impractical for routine daycare settings. * **Thiopentone:** Although it has a rapid onset, it causes a "hangover effect" due to its slower metabolism and accumulation in fat stores. It also lacks anti-emetic properties, making it less ideal for early mobilization. **High-Yield Clinical Pearls for NEET-PG:** * **Drug of Choice for TIVA:** Propofol is the mainstay for Total Intravenous Anesthesia (TIVA). * **Ideal Inhalational Agent for Daycare:** Desflurane (fastest recovery) or Sevoflurane (smooth induction, especially in pediatrics). * **Discharge Criteria:** The **Aldrete Score** or **PADSS** (Post-Anesthetic Discharge Scoring System) is used to determine if a patient is fit for discharge. * **Propofol Side Effect:** Pain on injection (minimized by using larger veins or pretreatment with Lidocaine).

Q: What is the induction agent of choice in day care surgery?

Propofol. **Explanation:** The primary goal of **Ambulatory (Day Care) Anesthesia** is to ensure a rapid, smooth recovery with minimal side effects, allowing for early discharge. **Propofol** is the induction agent of choice because of its unique pharmacokinetic profile: 1. **Rapid Onset and Recovery:** It has a very short context-sensitive half-life, leading to quick emergence. 2. **Anti-emetic Properties:** Unlike most anesthetics, propofol has inherent anti-emetic effects, significantly reducing **Postoperative Nausea and Vomiting (PONV)**—the leading cause of delayed discharge in day care units. 3. **Clear Headedness:** Patients experience minimal "hangover" effect compared to barbiturates. **Analysis of Incorrect Options:** * **Ketamine:** Causes a high incidence of emergence delirium, hallucinations, and prolonged recovery, making it unsuitable for rapid discharge. * **Thiopentone Sodium:** It undergoes significant redistribution and slow metabolism, leading to a "hangover" effect and prolonged psychomotor impairment. * **Methohexitone:** While it has a shorter recovery time than Thiopentone, it is associated with excitatory phenomena (myoclonus) and lacks the anti-emetic benefits of Propofol. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard for Day Care:** Propofol (Induction) and Sevoflurane (Inhalation maintenance). * **Discharge Criteria:** The **Aldrete Score** or **PADSS** (Post-Anesthetic Discharge Scoring System) is used to determine if a patient is fit for discharge. * **Fast-tracking:** The process of bypassing the PACU (Post-Anesthesia Care Unit) and moving directly to a phase II recovery area, often achieved using Propofol and short-acting opioids like Remifentanil.

Question 1

A patient is admitted to a day care nursing home for a laparoscopic cholecystectomy. This patient is otherwise healthy. What is the anesthetic of choice in this patient?

Accepted Answer

Propofol

Answer

Halothane

Answer

Ketamine

Answer

Ether

Question 2

Which drug is commonly used in day care anesthesia?

Accepted Answer

Propofol

Answer

Enflurane

Answer

Xenon

Answer

Thiopentone

Question 3

Which of the following are discharge criteria following ambulatory surgery?

Accepted Answer

All of the above

Answer

Stable vital signs.

Answer

Ability to ambulate.

Answer

Ability to have protective airway reflexes.

Question 4

What is the induction agent of choice in day care surgery?

Accepted Answer

Propofol

Answer

Ketamine

Answer

Methohexitone

Answer

Thiopentone sodium

Question 5

Which of the following anesthetic agents is associated with a fast speed of induction, making it suitable for day care surgery?

Accepted Answer

Desflurane

Answer

Halothane

Answer

Enflurane

Answer

Methoxyflurane

Ambulatory Anesthesia — MCQs

Ambulatory Anesthesia — MCQs

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