Abstract Background Dobutamine stress echocardiography is used to investigate a wide variety of heart diseases in humans. Dobutamine stress echocardiography has also been used in animal models of heart disease despite the facts that the normal response of healthy rat hearts to this type of pharmacological stress testing is unknown. This study was performed to assess this normal response. https://safeersappliancers.shop/product-category/samsung-rr39m7140ww-rr7000m-a-free-standing-larder-fridge-385-litres-white/