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Related Concept Videos

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

2.0K
Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
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Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia01:30

Local Anesthetics: Clinical Application as Surface, Infiltration, and Conduction Block Anesthesia

2.6K
Depending on the target organ, local anesthetics (LAs) can be administered via various routes. In surface anesthesia, LAs are applied directly to the surface of the skin or mucous membranes. It is widely used for topical skin numbing before venipuncture or minor surgical procedures. Commonly used surface local anesthetics are lidocaine or benzocaine sprays or creams. Surface anesthesia occurs within 5 minutes and lasts for about 60 minutes. One of the main disadvantages of topical anesthesia is...
2.6K
Local Anesthetics: Clinical Application as Spinal Anesthesia01:11

Local Anesthetics: Clinical Application as Spinal Anesthesia

1.9K
Spinal anesthetics are given during lower abdomen and limb surgeries to block sensory and motor neurons. They are administered in the mid to low lumbar regions, primarily acting on the cauda equina's nerve roots. The blockade level depends on the local anesthetic (LA) concentration. Usually, low LA concentrations are sufficient to block sensory fibers, while only high LA concentrations block motor fibers. Other factors like injection volume and speed, the patient's posture, and the drug...
1.9K
Local Anesthetics: Clinical Application as Epidural Anesthesia01:29

Local Anesthetics: Clinical Application as Epidural Anesthesia

966
Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...
966
Local Anesthetics: Pharmacokinetics01:13

Local Anesthetics: Pharmacokinetics

1.5K
The potency and duration of action of local anesthetics (LAs) are determined by their pharmacokinetics. Pharmacokinetics describes how LAs are absorbed, distributed, metabolized, and eliminated from the body. When administered to the vascular tissues, LAs are quickly absorbed and enter the systemic circulation, reducing their localized effects. Adding vasoconstrictors such as epinephrine to LAs reduces their absorption into the systemic circulation, making them clinically effective. The...
1.5K

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Related Experiment Video

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Simulator Training for Endovascular Neurosurgery
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Simulation in teaching regional anesthesia: current perspectives.

Ankeet D Udani1, T Edward Kim2, Steven K Howard2

  • 1Department of Anesthesiology, Duke University School of Medicine, Durham, NC, USA.

Local and Regional Anesthesia
|August 29, 2015
PubMed
Summary
This summary is machine-generated.

Effective teaching strategies for regional anesthesia and acute pain medicine are not fully established. Future research should compare simulation methods with traditional techniques for better training outcomes.

Keywords:
medical educationnerve blockregional anesthesiasimulationsimulatorultrasound

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Area of Science:

  • Medical Education
  • Anesthesiology
  • Pain Medicine

Background:

  • Regional anesthesiology and acute pain medicine is an emerging subspecialty.
  • Current teaching methods for regional anesthesia and acute pain medicine require critical evaluation.
  • Simulation applications in this field are widespread but their efficacy is often assumed.

Purpose of the Study:

  • To critically evaluate current teaching methods in regional anesthesiology and acute pain medicine.
  • To assess the established efficacy of simulation in this field.
  • To identify areas for future research in medical education for this subspecialty.

Main Methods:

  • Literature review of existing studies on teaching regional anesthesia and acute pain medicine.
  • Analysis of the current application and assumed efficacy of simulation-based training.
  • Identification of gaps in evidence regarding effective teaching strategies.

Main Results:

  • A thorough review indicates that effective teaching strategies, including simulation, are not yet completely established in regional anesthesiology and acute pain medicine.
  • The efficacy of simulation in this field has largely been assumed rather than rigorously proven.
  • There is a need for more robust evidence supporting specific teaching methodologies.

Conclusions:

  • Effective teaching strategies for regional anesthesiology and acute pain medicine require further establishment.
  • Future research should focus on comparative effectiveness of simulation versus other teaching methods.
  • Integrating procedural training with realistic scenarios and expanding simulation curricula to diverse learners is recommended.