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内容説明 Drs. Malik and Batchvarov have spent several years investigating ways to measure and understand QT dispersion. In this 12th volume of the Clinical Approaches to Tachyarrhythmias series， they present their perspective of the value and clinical relevance of this deceptively simple electrocardiographic parameter. The book examines the background and principles of QT dispersion and of the technology used to measure it; discusses the physiological characteristics associated with it; and reports on the clinical studies (past and present) conducted to learn more about QT dispersion. Clinical cardiologists and fellows wishing to learn more about this subject， as well as more experienced electrophysiologists， will find this book a practical addition to the fight against tachyarrhythmias.