As an expert in the field of vascular ultrasound, Dr.Radhakrishnan was invited to speak at the 1st Annual Vascular Symposium at Alvin Community College on October 21/22. Dr.Radhakrishnan lectured to vascular sonographers and sonography students from the greater Houston area on the topics of Chronic Venous Insufficiency as well as The Importance of Obtaining Ultrasound Certification as a vascular sonographer.