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Related Concept Videos

Assessment of radial pulse01:11

Assessment of radial pulse

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:
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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
Radial System Protection01:23

Radial System Protection

Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
Bones of the Upper Limb: Radius01:09

Bones of the Upper Limb: Radius

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 short...

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Related Experiment Video

Updated: Jun 29, 2026

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients
05:31

Transradial Access Chemoembolization for Hepatocellular Carcinoma Patients

Published on: September 20, 2020

Radial access - be prepared!

Ioannis Stathopoulos1

  • 1Weill Medical College of Cornell University, New York Hospital, Queens, Flushing, New York 11355, USA. jstathopoulos@nyp.org

The Journal of Invasive Cardiology
|October 3, 2008
PubMed
Summary
This summary is machine-generated.

This case study highlights challenges in radial artery interventions for stent thrombosis. Severe radial artery angulation and stenosis prevented successful percutaneous coronary intervention (PCI).

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Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Vascular Access

Background:

  • Recurrent stent thrombosis poses a significant clinical challenge, necessitating effective revascularization strategies.
  • Percutaneous coronary intervention (PCI) via the radial artery is a common approach for managing coronary artery disease.

Observation:

  • A 46-year-old female patient presented with recurrent stent thrombosis.
  • Attempted primary PCI was performed using the radial artery approach with a 6 French (Fr) sheath.

Findings:

  • Successful radial artery cannulation and diagnostic angiography were achieved.
  • Failure to advance the 6 Fr guide catheter occurred due to severe angulation of a high take-off radial artery.
  • Proximal radial artery stenosis further complicated guide catheter advancement, preventing PCI completion.

Implications:

  • Anatomical variations and pathologies of the radial artery can impede complex interventional procedures.
  • Alternative vascular access routes or specialized techniques may be required in challenging radial artery anatomies.
  • This case underscores the importance of pre-procedural assessment for radial artery suitability in interventional cardiology.