A 63 year old patient was found on her kitchen floor 3 days…

A 63 year old patient was found on her kitchen floor 3 days later after she slipped on her carpet and fell. She has not had anything to eat or drink for 3 days. This patient is diagnosed with prerenal Acute Kidney Injury (AKI). Which of the following conditions could be causing prerenal Acute Kidney Injury (AKI) with this patient?