Online Workshop - Dr. Erika Mendoza on Vascular Diagnostics in Clinical Practice

Tue Aug 11 05:30:31 BST 2026

https://www.sot-medical.com

Dear

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We are pleased to join forces with SIGVARIS GROUP (https://zoom.us/webinar/register/WN_M7eyj8u8QJ6fm1Fl44TlkQ#/registration) for an upcoming MOH Connect live session, bringing together leading experts Dr. Erika Mendoza, Dr. Dr. Ravul Jindal, Dr. Mahmoud Elghadban and Dr. Mohamed Elfarok.

Together, they will explore the APG system for the simultaneous assessment of venous drainage and reflux, sharing clinical insights and practical perspectives on modern venous diagnostics.

📅 August 12, 2026 – 4PM CEST
💻 Online via MOH

👉 Register here: https://zoom.us/webinar/register/WN_M7eyj8u8QJ6fm1Fl44TlkQ#/registration
https://zoom.us/webinar/register/WN_M7eyj8u8QJ6fm1Fl44TlkQ#/registration

https://zoom.us/webinar/register/WN_M7eyj8u8QJ6fm1Fl44TlkQ#/registration

** New at SOT Blog
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** How to Perform a Venous Function Test: A Step-by-Step Guide
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Venous diseases are among the most common vascular disorders worldwide, affecting millions of people and significantly impacting quality of life. Symptoms such as heavy legs, swelling, varicose veins, skin changes, and venous ulcers often result from impaired venous return caused by chronic venous insufficiency (CVI).

Early assessment of venous function plays a key role in identifying venous reflux before symptoms worsen. While duplex ultrasound remains the gold standard for anatomical evaluation, photoplethysmography (PPG) offers a fast, non-invasive, and cost-effective method for assessing venous function in everyday clinical practice.

This guide explains how to perform a venous function test using PPG, how to ensure reliable measurements, and how to interpret the results.

** What Is a Venous Function Test?
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A venous function test evaluates how effectively blood returns from the lower limbs to the heart.

Unlike duplex ultrasound, which visualizes veins and blood flow directly, PPG assesses venous function by measuring changes in blood volume within the superficial microcirculation.

After activating the calf muscle pump through repeated foot movements, the system measures how quickly blood refills the superficial veins. This parameter is known as the Venous Refill Time (VRT).

A shortened VRT may indicate venous reflux caused by incompetent venous valves.

** When Should a Venous Function Test Be Performed?
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Venous function testing is recommended for patients presenting with symptoms or risk factors associated with chronic venous disease, including:
* Heavy or tired legs
* Leg swelling (edema)
* Varicose veins
* Skin discoloration or venous eczema
* Venous leg ulcers
* Suspected chronic venous insufficiency
* Follow-up after conservative or surgical treatment

As a rapid screening method, PPG can help determine whether further diagnostic evaluation is required.

** Equipment Required
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Before beginning the examination, ensure that the following equipment is available:
* PPG sensor
* Venous function measurement system
* Examination chair
* Alcohol wipe (if necessary)
* Clean, dry skin

The patient should be seated comfortably with both feet flat on the floor throughout the measurement.

** Step 1 – Prepare the Patient
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Before starting the examination, explain the procedure to the patient..

The patient should sit comfortably with the hips and knees forming an angle of approximately 110°, allowing the lower legs to be slightly extended forward. Both feet should rest flat on the floor, and shoes and socks should be removed to expose the lower legs.

The skin should be clean and dry to ensure optimal sensor contact.

Standardized patient positioning is essential for obtaining reliable and reproducible measurements.

** Step 2 – Position the PPG Sensor
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Place the PPG sensor approximately 10 cm above the medial malleolus (inner ankle) on the lower leg.

Correct sensor placement is essential because inaccurate positioning may affect the quality of the recorded signal and the calculated Venous Refill Time.

The sensor should adhere firmly to the skin without excessive pressure.

** Step 3 – Activate the Calf Muscle Pump
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The patient performs approximately 10 dorsal flexion movements of the foot to activate the calf muscle pump. These rhythmic movements empty the superficial veins and reduce venous pressure in the lower leg.

Once the movements are completed, the patient remains completely still while venous refilling is recorded automatically.

** Step 4 – Measure the Venous Refill Time
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Once the exercise has finished, the PPG device continuously records changes in blood volume as the veins refill.

The software automatically calculates the Venous Refill Time (VRT).

No additional patient movement is required during this phase.

The entire examination typically takes only a few minutes.

** Understanding the Results
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Keep on reading about interpretation on the SOT Blog article (https://www.sot-medical.com/blog/how-to-perform-a-venous-function-test-a-step-by-step-guide/) .
https://www.youtube.com/watch?v=UHVu87fqpVQ&t=2s

** AngE™ ABI+ – Venous Function Test
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** More Insights (https://www.sot-medical.com/blog/)
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https://www.sot-medical.com/blog/how-to-perform-a-venous-function-test-a-step-by-step-guide/

https://www.sot-medical.com/blog/raynauds-syndrome-understanding-the-causes-symptoms-and-importance-of-early-assessment/

https://www.sot-medical.com/blog/thoracic-outlet-syndrome-when-blood-flow-and-nerve-compression-become-a-hidden-problem/

https://www.sot-medical.com/blog/how-to-measure-toe-pressure-and-tbi-a-step-by-step-guide-for-reliable-vascular-assessment/

** Upcoming Events (https://www.sot-medical.com/events/)
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https://dgpl-jahrestagung.de

** 🇩🇪 68th DGPL Annual Conference of the German Society for Phlebology and Lymphology
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📍  Weimar, Germany
September 09- 12, 2026

As one of the leading scientific meetings in the field, the congress brings together experts to discuss the latest developments in phlebology, lymphology and vascular diagnostics, while fostering interdisciplinary exchange and innovation in patient care.

More information here. (https://dgpl-jahrestagung.de)

https://www.medicalfair-asia.com

** 🇸🇬 Medical Fair Asia 2026
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📍Singapore
September 09-11, 2026

**
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Medical Fair Asia is Southeast Asia’s leading international healthcare and medical technology exhibition. Bringing together healthcare professionals, MedTech companies and industry leaders from around the world, the event provides a platform to discover the latest innovations, exchange knowledge and build valuable business connections across the region.

More informationhttps://kongress.dgim.dehere. (https://www.medicalfair-asia.com)

https://www.cardiologie.ro/en/

** 🇷🇴 65th National Congress of Cardiology Romania 2026
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📍Sinaia, Romania
September 16-19, 2026

The event brings together healthcare professionals with a focus on modern cardiovascular medicine, diagnostics, and patient care. It provides an opportunity to exchange knowledge and discuss current developments in cardiovascular health, from non-invasive diagnostics to interventional and surgical approaches. The event also supports professional education and scientific exchange within the cardiovascular community.

More informationhttps://kongress.dgim.dehere. (https://www.cardiologie.ro/en/)

https://dgg-jahreskongress.de

** 🇩🇪 42nd DGG Annual Conference 2026
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📍  Frankfurt, Germany
September 23-26, 2026

The Annual Congress of the German Society for Vascular Surgery and Vascular Medicine (DGG) is one of Germany’s leading scientific meetings dedicated to vascular surgery and vascular medicine.

More informationhttps://kongress.dgim.dehere. (https://dgg-jahreskongress.de)

https://www.sot-medical.com/de/solution/

** AngE^™ AngioExperience
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** Arterial and Venous Vascular Diagnostics

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https://www.sot-medical.com/arterial-screening/

** Arterial Screening
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** Peripheral Arterial Disease - PAD
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Early detection of PAD and Diabetic Foot, independent of arterial stiffness.
Learn more > (https://www.sot-medical.com/arterial-screening/)

https://www.sot-medical.com/venous-screening/

** Venous Screening
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** Chronic Venous Insufficiency - CVI
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** Deep Vein Thrombosis - DVT
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Hemodynamic assessment of CVI and DVT in 3 minutes.
Learn more > (https://www.sot-medical.com/venous-screening/)

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