Following a Nissen fundoplication, a patient presents with hypotension, tachycardia, and abdominal distention. As the nurse evaluates the situation, which Intervention should be prioritized to address potential post-operative bleeding?

Prepare the patient for an emergency endoscopic procedure.

Initiate a large-bore IV for fluid resuscitation and notify the surgical team.

Administer analgesics to manage potential abdominal pain.

Encourage the patient to ambulate to improve circulation.