Dr Martina Preda joined I-MED Radiology Northern Sydney in 2019. She has worked in both public and private practice since 2014.

Dr Martina Preda obtained her medical degree from the University of New South Wales. Her internship and residency in Sydney was followed by radiology training in Canberra. She then returned to Sydney and completed a one year MRI Fellowship at Prince of Wales Hospital. Dr Preda has worked part time in private practice and as a visiting staff radiologist at The Canberra and Prince of Wales Hospitals before entering full time private practice in Sydney. She is a general radiologist with interests in MRI, neuroradiology and musculoskeletal imaging.

Radiological Skills & Interests

• General radiology
• Neuroradiology
• MSK imaging

Dr Patrick Mehr joined I-MED Radiology in 2019 and currently practices out of clinics in Northern Sydney and the NSW Central Coast. Dr Mehr obtained his Medical Degree in 2002 from the Tehran University of Medical Sciences and Health Services, Iran’s top teaching and research medical university. Since 2002, Dr Mehr has practiced at the Wollongong Hospital and Concord Hospital before undertaking speciality physician training at the Royal North Shore Hospital in Sydney and speciality radiology training at the Princess Alexandra Hospital, Brisbane. His special interests include neuroradiology, musculoskeletal imaging and interventions as well as women’s and breast imaging.Dr Mehr is a member of the Royal Australian and New Zealand College of Radiologists and the Royal Australian College of Physicians.

Radiological Skills & Interests

• Neuroradiology
• Musculoskeletal imaging
• MSK interventional procedures
• Women's and breast imaging

After training at Royal Prince Alfred Hospital, Assoc. Prof. Lloyd Ridley worked at Concord Hospital in Sydney where he was the director of the Department of Radiology for over 10 years. He has been extensively involved with radiology training in NSW.

Assoc. Prof. Lloyd Ridley has a strong academic background, having published over 200 articles.  His research covers a broad range of topics including cardiac imaging, pulmonology, respiratory medicine and body imaging. He has been performing CT coronary angiography for over 20 years and has convened three conferences on cardiovascular CT. His expertise includes performing CT colonography.

He has an honorary Clinical Associate Professor appointment with the University of Sydney and maintains an appointment with Concord Hospital.

Radiological Skills and Interests

Body imaging including:

• Chest
• Cardiac
• Gastrointestinal
• Genitourinary