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Related Concept Videos

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

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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.
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Anesthesia is a medical procedure that uses drugs for CNS suppression to enable painless surgeries and procedures. The selection of anesthetics is influenced by their pharmacokinetic properties, side effects, and patient characteristics. Various types of anesthesia include general, local, regional, spinal, and inhalational.
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Various sedation levels offer significant advantages in facilitating procedural interventions for patients undergoing medical or invasive surgical procedures. These levels span from anxiolysis to general anesthesia, providing a spectrum of sedative effects to cater to specific patient needs. Anxiolysis reduces anxiety and is achieved through minimal sedation, enabling patients to remain awake and responsive while feeling more at ease during the procedure. This level can benefit minor...
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IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the...
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The eukaryotic promoter region is a segment of DNA located upstream of a gene. It contains an RNA polymerase binding site, a transcription start site, and several cis-regulatory sequences.  The proximal promoter region is located in the vicinity of the gene and has cis-regulatory sequences and the core promoter. The core promoter is the binding site for RNA polymerase and is usually located between -35 and +35 nucleotides from the transcription start site. The distal promoter regions are...
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The z-transform is a powerful mathematical tool used in the analysis of discrete-time signals and systems. It is a crucial tool in the analysis of discrete-time systems, but its convergence is limited to specific values of the complex variable z. This range of values, known as the Region of Convergence (ROC), is fundamental in determining the behavior and stability of a system or signal. The ROC defines the region in the complex plane where the z-transform converges, which can take various...
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Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time
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Informed consent for regional anesthesia.

Sarah Tierney1, Anahi Perlas

  • 1Toronto Western Hospital, University Health Network, Department of Anesthesia, University of Toronto, Ontario, USA.

Current Opinion in Anaesthesiology
|August 1, 2018
PubMed
Summary
This summary is machine-generated.

Informed consent for regional anesthesia is crucial for patient autonomy and the patient-physician relationship. Clear discussions about potential risks, even rare ones, are essential for ethical practice and documentation.

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Area of Science:

  • Anesthesiology
  • Medical Ethics
  • Patient Safety

Background:

  • Informed consent is fundamental to the patient-physician relationship and patient autonomy in regional anesthesia.
  • Recent guidelines highlight the importance of comprehensive consent discussions and documentation in anesthesia practice.

Purpose of the Study:

  • To review the ethical and medicolegal framework for informed consent in regional anesthesia.
  • To emphasize the role of informed consent in respecting patient autonomy.

Main Methods:

  • This is a narrative review.
  • Analysis of current guidelines and position statements from anesthesia societies.
  • Review of recent studies on patient preferences for risk disclosure.

Main Results:

  • Patients desire detailed information on both common and rare adverse events associated with anesthesia.
  • Strategies to enhance consent discussions and documentation in the perioperative period have been proposed.
  • Quantifying the incidence of rare adverse events in ultrasound-guided regional anesthesia presents challenges.

Conclusions:

  • Effective informed consent discussions are vital for upholding patient autonomy in regional anesthesia.
  • Despite challenges in defining material risks, thorough communication builds a strong patient-anesthesiologist relationship.