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ArticleEchocardiography
The ultrasound transducer

…via electrodes. Figure 2. The ultrasound transducer and the piezoelectric crystals that generate and receive ultrasound waves. Piezoelectric crystals have unique electromechanical properties. When an…

ArticleCPR
Epidemiological aspects of cardiac arrest

…which is fundamental for survival. About 50% of all out of hospital cardiac arrests receive bystander CPR, which doubles the probability of survival ( Nakahara et…