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Top 5 Questions About Having a General Anaesthetic
1. What is General Anaesthetic?
General anaesthetic is a medically induced state of unconsciousness where patients do not feel pain or other sensations during surgery. It involves the administration of drugs, typically through an injection or inhalation, which inhibit the normal function of the central nervous system, rendering the patient entirely unaware and immobilised.
2. How is General Anaesthetic Administered?
In the UK, general anaesthetic is commonly administered by a consultant anaesthetist. It can be given through an intravenous line (a needle inserted into a vein) or via inhalation through a mask. The anaesthetist monitors and adjusts anaesthetic levels throughout the surgery to ensure the patient remains unconscious and pain-free.
3. What Are the Risks and Side Effects?
While general anaesthesia is generally safe, it does come with some risks and potential side effects. Common side effects include nausea, vomiting, sore throat, dizziness, and shivering. Though rare, serious complications like allergic reactions, heart attacks, strokes, or breathing difficulties can occur. Patients are carefully monitored to mitigate these risks.
4. How Should I Prepare for Surgery?
Patients should follow specific guidelines provided by their healthcare team. This typically includes fasting for several hours before the procedure to avoid aspiration. Patients should also disclose their full medical history and any medications they are taking to their medical team to ensure safe administration of the anaesthetic.
5. What Happens During Recovery?
After surgery, patients are moved to a recovery room where they are closely monitored as they wake up from the anaesthetic. Some grogginess and disorientation are normal as the drugs wear off. Full recovery times vary depending on the type and duration of surgery, and patients may need someone to drive them home and stay with them for the first 24 hours post-operation.
Frequently Asked Questions
What is a general anaesthetic?
A general anaesthetic is a medication that induces unconsciousness and prevents pain during surgery. It affects your entire body, rendering you completely unaware and unable to feel pain.
How is a general anaesthetic administered?
A general anaesthetic can be administered either through a mask, breathing tube, or through an intravenous (IV) line in your arm or hand.
Will I feel any pain during the surgery with a general anaesthetic?
No, a general anaesthetic ensures that you remain unconscious and pain-free during the surgery.
What risks are associated with general anaesthesia?
While generally safe, risks include allergic reactions, breathing difficulties, and heart complications. These risks are higher in patients with certain medical conditions or in longer surgeries.
How long does it take to recover from a general anaesthetic?
Recovery times vary, but most people feel groggy for a few hours post-surgery. Full recovery, where you feel completely normal, may take from a few hours to a couple of days.
Can everyone have a general anaesthetic?
Most people can safely receive a general anaesthetic. However, specific medical conditions or allergies might require special considerations or alternative anaesthesia methods.
Is it necessary to fast before receiving a general anaesthetic?
Yes, you will usually be required to fast for at least six hours before the procedure to reduce the risk of vomiting and aspiration during surgery.
Can I drive myself home after having a general anaesthetic?
No, you should not drive, operate heavy machinery, or make important decisions for at least 24 hours after having a general anaesthetic as your judgement and coordination may still be impaired.
What are the common side effects of general anaesthesia?
Common side effects include sore throat, nausea, vomiting, dizziness, and shivering. These usually resolve within a few hours to a few days.
How do I prepare for surgery involving general anaesthesia?
Follow pre-operative instructions which typically include fasting, avoiding certain medications, and arranging for someone to accompany you to and from the hospital.
Will I need to stay in the hospital overnight after having a general anaesthetic?
It depends on the type of surgery and your overall health. Some procedures require an overnight stay while others allow you to go home the same day.
Who administers the general anaesthetic during surgery?
A trained anaesthetist, who is a doctor specialising in anaesthesia and pain management, will administer and monitor the anaesthetic throughout your surgery.
Can I have a reaction to the general anaesthetic?
While rare, some individuals may experience allergic reactions to anaesthetic drugs. Your anaesthetist will review your medical history to minimise this risk.
How do anaesthetists ensure the right dosage of anaesthetic for each patient?
Anaesthetists calculate the dosage based on multiple factors including your age, weight, medical history, and the type of surgery to ensure the anaesthetic is effective and safe.
What should I inform my anaesthetist before the procedure?
Inform your anaesthetist about any medications you're taking, your medical history, allergies, previous reactions to anaesthesia, and whether you smoke or consume alcohol.
Useful Links
Useful links from: What to expect when visiting our hospitals for surgery | Theatres
- NHS - Preparing for Surgery Find comprehensive guidelines and tips from the NHS on how to prepare for surgery, including what to expect before, during, and after your operation.
- NHS - Your Stay in Hospital Detailed information from the NHS on what to expect during your hospital stay, including admission procedures, hospital facilities, and patient rights.
- RCS - Going into Hospital The Royal College of Surgeons (RCS) provides patient information on what to expect when going into hospital for surgery, including tips on how to prepare and recovery advice.
- Macmillan Cancer Support - Preparing for Surgery Macmillan Cancer Support offers detailed advice and guidance for cancer patients preparing for surgery, covering practical, physical, and emotional preparation.
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