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Medicine and Health Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Medical Sciences

2012

Portland State University

Heart failures

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Designing New Drugs To Treat Cardiac Arrhythmia, Yanping Ye Jan 2012

Designing New Drugs To Treat Cardiac Arrhythmia, Yanping Ye

Dissertations and Theses

Heart failure resulting from different forms of cardiomyopathy is defined as the inability of the heart to pump sufficient blood to meet the body's metabolic demands. It is a major disease burden worldwide and the statistics show that 50% of the people who have the heart failure will eventually die from sudden cardiac death (SCD) associated with an arrhythmia. The central cause of disability and SCD is because of ventricular arrhythmias. Genetic mutations and acquired modifications to RyR2, the calcium release channel from sarcoplasmic reticulum, can increase the pathologic SR Ca2+ leak during diastole, which leads to defects in SR …