Quantitative microbial risk assessment is a systematic way t…

Quantitative microbial risk assessment is a systematic way to prepare, organize, and analyze quantitative information on pathogens in environmental media to understand risks to public health and help make regulatory decisions. It follows National Academy’s paradigm for chemical risk assessment, involving four-tiered approaches, namely, illness identification,  risk assessment, risk management, and risk characterization. This statement is  

If the myocardium is viable but the coronary artery that sup…

If the myocardium is viable but the coronary artery that supplies the myocardium is severely stenotic, myocardial contractility improves initially with a low dose of dobutamine but worsens with high dose. This is a typical biphasic response for hibernating myocardium.