at 14-weeks gestation, a client arrives at the emergency center complaining of a dull pain in the right lower quadrant of her abdomen. the nurse obtains a blood sample and initiates an iv. thirty minutes after admission, the client reports feeling a sharp abdominal pain and a shoulder pain. assessment findings include diaphoresis, a heart rate of 120 beats/minute, and a blood pressure of 86/48. which action should the nurse implement next?