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Related Concept Videos

Assessment of radial pulse01:11

Assessment of radial pulse

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Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
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Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

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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.
One of the advantages of...
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Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

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The radius is longer of the two bones that make up the human antebrachium or forearm. At the proximal end, the radius articulates with the capitulum of the humerus and the radial notch of the ulna to form the elbow joint. At the distal end, the radius articulates with the ulna via the ulnar notch, forming the distal radioulnar joint. Distally, the radius also attaches to the carpal wrist bones (scaphoid and lunate) to form the radiocarpal joint.
The radius has a nail-shaped head, and a...
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Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

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Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
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Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
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Related Experiment Video

Updated: Sep 28, 2025

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
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Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

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Radial Access Techniques.

Evan Luther1, Joshua Burks1, David J McCarthy2

  • 1Department of Neurological Surgery, University of Miami, Jackson Health System, Lois Pope Life Center, 2nd Floor, 1095 Northwest 14th Terrace, Miami, FL 33136, USA.

Neurosurgery Clinics of North America
|March 29, 2022
PubMed
Summary
This summary is machine-generated.

Transradial access (TRA) offers safer neurointervention site access than transfemoral methods. This guide details advanced TRA techniques, including distal, left, and sheathless approaches, and strategies for managing complications.

Keywords:
Access site complicationsAnatomic snuffboxDistal transradial accessLong radial sheathsNeuroendovascularRadial artery anomaliesRadial artery spasmTransradial access

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Area of Science:

  • Interventional Neurology
  • Vascular Access Techniques
  • Neuroendovascular Procedures

Background:

  • Transradial access (TRA) is increasingly adopted in neurointerventions.
  • Studies show TRA offers improved safety and comparable efficacy to transfemoral access.
  • Technical challenges remain for specific TRA applications.

Purpose of the Study:

  • To detail the technical nuances of performing transradial access (TRA) in neurointerventions.
  • To focus on advanced TRA techniques: distal TRA, left TRA, and sheathless TRA with large bore catheters.
  • To provide strategies for managing radial artery spasm, anomalies, and Simmons catheter formation.

Main Methods:

  • Description of technical aspects for distal, left, and sheathless TRA.
  • Discussion of methods to prevent access site conversion due to radial artery spasm or anomalies.
  • Techniques for Simmons catheter formation when descending aorta access is not feasible.

Main Results:

  • The study outlines specific procedural steps and considerations for advanced TRA.
  • Strategies are presented to overcome common TRA-related access site issues.
  • Solutions are offered for challenging catheter manipulations in neurointerventions via TRA.

Conclusions:

  • TRA is a viable and safe alternative to transfemoral access in neurointerventions.
  • Mastery of advanced TRA techniques and complication management is crucial for successful neuroendovascular procedures.
  • This guide provides valuable insights for clinicians performing or considering TRA.