This study will assess the accuracy of Peripheral Perfusion Index and inferior vena cava collapsibility index as predictive tools for predicting hypotension in patients undergoing shoulder arthroscopy in the beach chair position under general anesthesia, contributing to the broader understanding of its role in perioperative hemodynamic management. Primary outcome The accuracy of Peripheral Perfusion Index for predicting hypotension in patients undergoing shoulder arthroscopy in the beach chair position Secondary outcomes * Incidence of hypotension. * Amount of administered fluids and total dose of vasopressors. * The diagnostic accuracy of inferior vena cava collapsibility index in predicting hypotension.
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The accuracy of Peripheral Perfusion Index for predicting hypotension
Timeframe: pre induction of General anesthesia