Our Clinicians

Mike Harrell was formerly Director of Respiratory Care with Charlotte Regional Medical Center (CRMC) in Punta Gorda, FL for several years prior to joining the Passy Muir Educational Team as a Passy Muir Clinical Specialist in 2005. Mike also presided as president of the Florida Society of Respiratory Care in where he brought his clinical knowledge and strong advocacy for patient care together to improve respiratory care in the state of Florida. In his role as Clinical Specialist with Passy Muir, he has presented domestically and internationally. Read more.
Linda Dean brought her years of experience as an acute, sub-acute and long term respiratory therapist to Passy Muir as an Educational Consultant in 1997. A Passy Muir Clinical Specialist since 2005, she continues her clinical practice per diem at Fauquier Hospital in Warrenton, Virginia. In her role as Clinical Specialist with Passy Muir, she has presented domestically and internationally. Read more.
Gail Sudderth has over 33 years of clinical experience as a Respiratory Care Practitioner practicing in critical care, acute care and long-term settings. Ms. Sudderth’s expertise is focused on weaning and rehabilitation of adult long-term and “hard to wean” tracheostomized and ventilator dependent patients. In her role as Clinical Specialist with Passy Muir, she has presented domestically and internationally. Read more.
Dr. King has been a speech-language pathologist in a variety of settings since 1995. She earned her PhD in Communication Sciences and Disorders from East Carolina University in 2008. Her expertise is in cognitive-communication and swallowing disorders with medically complex patients of all ages, particularly those with needs secondary to traumatic brain injury (TBI), tracheostomy/ventilator, and pre-term birth. She has trained SLPs in FEES and VFSS and developed a program for SLPs in the management of patients on ventilators and the use of Passy Muir® Valves at a level-one trauma hospital. She has published several peer-reviewed articles regarding evaluation and treatment of TBI, and she speaks to both domestic and international audiences regularly on the use of speaking valves, evaluation and treatment following TBI, and swallowing disorders. She currently conducts research in all of these areas, while maintaining clinical practice through consultative services.


Lynn earned a Bachelor of Science in Respiratory Therapy from the University of South Alabama, Mobile, Alabama. She has been a practicing respiratory therapist for 29 years. Lynn’s career has included multiple medical settings in the diagnostic and therapeutic aspects of respiratory care. She has worked with every patient population and currently works with adults suffering with comorbidities in a Long Term Acute Care Hospital. Lynn’s focus in the LTACH Pulmonary Center of Excellence is to implement early in-line intervention with the Passy Muir® Valve, not only as a communication tool, but also for progression of ventilator weaning and decannulation. Lynn’s passion for helping those with respiratory deficiencies leads her to hold two Per Diem positions in home care, volunteer at the Health and Hope Clinic, and instruct CPR for the American Heart Association. Read more.

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