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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

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Related Experiment Video

Updated: May 15, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
08:07

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

Computer-aided analysis of radial head morphometry.

Paul Puchwein1, Nima Heidari, Katrin Dorr

  • 1Department of Traumatology, Medical University of Graz, Auenbruggerplatz 7a, A-8036 Graz, Austria. paul.puchwein@medunigraz.at

Orthopedics
|January 2, 2013
PubMed
Summary
This summary is machine-generated.

This study measured radial head dimensions using CT scans, finding current prostheses generally fit. Optimal radial head prosthesis sizing is crucial for unstable elbow fractures to prevent complications.

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Related Experiment Videos

Last Updated: May 15, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
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Longitudinal Micro-Computed Tomography Image Analysis for User-Defined Region of Interest in Critical-Sized Bone Defects
08:39

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Published on: June 24, 2025

Area of Science:

  • Orthopedic surgery
  • Biomechanics
  • Anatomy

Background:

  • Radial head fractures often require surgical intervention, including fixation or prosthesis replacement.
  • Accurate sizing of radial head prostheses is critical for successful outcomes, particularly in complex fractures.

Purpose of the Study:

  • To quantitatively assess the morphometry of the radial head using advanced imaging techniques.
  • To compare these anatomical measurements with the dimensions of available commercial radial head prostheses.

Main Methods:

  • Computed tomography (CT) scans of 30 cadaveric elbow specimens were utilized.
  • Three-dimensional reconstructions were generated to analyze radial head morphometry.
  • Measurements were compared against manufacturer data for various radial head prostheses.

Main Results:

  • Detailed mean and range measurements for radial head diameter at the fovea, widest part, and head-neck junction were established.
  • Significant sex-based differences in radial head dimensions were identified.
  • Current radial head prostheses appear to encompass the observed anatomical size variations.

Conclusions:

  • Available radial head prostheses offer a range of sizes suitable for the general population.
  • Prostheses allowing for combined head and stem size selection are recommended for better patient matching.
  • Appropriate implant sizing is vital for preventing radial head subluxation in unstable elbow fractures (Mason type IV).