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Effects of β‐adrenoceptor activation on haemodynamics during hypoxic stress in rats

What is the central question of this study? The acute hypoxic compensatory reaction is based on haemodynamic changes, and β‐adrenoceptors are involved in haemodynamic regulation. What is the role of β‐adrenoceptors in haemodynamics during hypoxic exposure? What is the main finding and its importance? Activation of β2‐adrenoceptors attenuates the increase in pulmonary artery pressure during hypoxic exposure. This compensatory reaction activated by β2‐adrenoceptors during hypoxic stress is very important to maintain the activities of normal life.