Automatic grouping was performed according to the presence or absence of hypotension.:N/A

Predictive value of the collapsibility index of subclavian vein for hypotension after induction of general anesthesia

Predictive value of bedside carotid artery ultrasound for hypotension after induction of general anesthesia

Predictive value of heart rate deceleration capacity for hypotension after induction of general anesthesia in patients with lower ASA status