SUMMARY BackgroundNon-alcoholic fatty liver disease (NAFLD) is a common cause of liver disease in children. Hepatic fat accumulation and oxidative stress contribute to its pathogenesis. Cysteamine bitartrate readily traverses cellular membranes and is a potent antioxidant.

In 2005, the American College of Cardiology and the American Heart Association released updated guidelines for the diagnosis and management of chronic heart failure in the adult, yielding new insights into the progression and treatment of this disease. Perioperative nurses need a working knowledge of these guidelines to provide optimal care when patients require surgical interventions for heart failure. This article provides an overview of the pathophysiology, classifications, and treatments for heart failure.

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