Related Experiment Video
Updated: Apr 20, 2026

Non-invasive Assessment of Microvascular and Endothelial Function
Published on: January 29, 2013
Use of diagnostic modalities for assessing upper extremity vascular pathology
Beatrice L Grasu1, Christopher M Jones1, Michael S Murphy1
1The Curtis National Hand Center, MedStar Union Memorial Hospital, 3333 North Calvert Street, #200 JPB, Baltimore, MD 21218, USA.
Diagnosing upper extremity vascular pathology involves a thorough medical history, physical exam, and advanced imaging. Key diagnostic tools range from the Allen test and Doppler ultrasound to angiography and MRI.
Area of Science:
- Vascular Medicine
- Diagnostic Imaging
- Upper Extremity Anatomy
Background:
- Vascular pathology in the upper extremity necessitates a comprehensive approach.
- Understanding constitutional, anatomical, and functional aspects is crucial for accurate diagnosis.
Purpose of the Study:
- To outline the essential diagnostic considerations and methods for evaluating vascular pathology of the upper extremity.
- To highlight the evolving role of various imaging modalities in diagnosing upper extremity vascular conditions.
Main Methods:
- Clinical evaluation including medical history and physical examination.
- Non-invasive vascular assessments such as the Allen test, handheld Doppler, digital-brachial index, digital plethysmography, and laser Doppler.
- Advanced imaging techniques including color ultrasound, three-phase bone scintigraphy, angiography, computed tomography (CT), and magnetic resonance (MR) scans.
Main Results:
- The Allen test and handheld Doppler are valuable for initial arterial mapping.
- Digital-brachial index, digital plethysmography, laser Doppler, and color ultrasound provide further insights into vascular function and structure.
- Three-phase bone scintigraphy remains relevant for assessing vascularity post-frostbite.
- Angiography is the gold standard, while CT and MR scans are increasingly utilized for diagnosing vascular pathology.
Conclusions:
- A multi-faceted diagnostic strategy combining clinical assessment and various imaging modalities is essential for managing upper extremity vascular pathology.
- The integration of advanced imaging like CT and MR scans enhances diagnostic capabilities for these conditions.
More Related Videos
Related Concept Videos
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Assessment of the Cardiovascular System III: Palpation
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Arteries of the Upper Limbs
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
Imaging Studies VII: Vascular Imaging
Assessment of the Cardiovascular System II: Inspection
Head and Neck

