Dynamic Dyssynchrony and Impaired Contractile Reserve of the Left Ventricle in Beta-Thalassaemia Major: An Exercise Echocardiographic Study

• Yiu-fai Cheung ,

  * E-mail: xfcheung@hku.hk

  Affiliation Division of Paediatric Cardiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Wei Yu,

  Affiliation Division of Paediatric Cardiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Shu-na Li,

  Affiliation Division of Paediatric Cardiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Wendy W. M. Lam,

  Affiliation Department of Radiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Yuen-chi Ho,

  Affiliation Department of Radiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Sophia J. Wong,

  Affiliation Division of Paediatric Cardiology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Godfrey C. F. Chan,

  Affiliation Division of Paediatric Haematology and Oncology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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• Shau-yin Ha

  Affiliation Division of Paediatric Haematology and Oncology, Queen Mary Hospital, The University of Hong Kong, Hong Kong, China

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