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Body sensor networks (BSNs) have emerged as a new technology for healthcare applications, but the security of communication in BSNs remains a formidable challenge yet to be resolved. The paper discusses the typical attacks faced by BSNs and proposes a fast biometric based approach to generate keys for ensuing confidentiality and authentication in BSN communications. The approach was tested on 900...
Mechanical contraction alternans of the heart is associated with fatal cardiac death. It is manifested by T-wave alternans in the ECG, and is thought to be possibly related to intracellular Ca2+ transient alternans released from the sarcoplasmic reticulum (SR). However, it is unclear yet how beat-to-beat alternans of intracellular Ca2+ transient is produced. In this study investigated the mechanism(s)...
The electrocardiogram (ECG) is an important index of clinical diagnosis of cardiac arrhythmias. Simulations of ECG had revealed the causative relationship between waveforms of ECG and action potentials (APs). However, those studies were mainly based on the Luo-Rudy (LRd) model or the Priebe-Beuckelman (PB) model. In this study, we developed a ID model of transmural ventricular strand based on the...
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