EPIC DATASET TABLES
Patient Information  Patient History Patient Visit  Patient Procedure Events  Patient Medications Patient Labs Patient LDA Patient Measurements  Patient Postoperative Complications  Patient Coding
SIS DATASET TABLES
Patient Information  Patient Medications Patient Labs Patient I/O Patient Vitals Patient Observations Patient Ventilator Patient A-line Patient Procedure Events 

Patient A-line

 patient a-line placement time, location, and laterality

PID

Patient ID number which is a unique identifier for an individual patient.

Placement_Time

PlacementTime specifies the date and time at which the a-line was place.

Location, Laterality

Location specifies where the a-line was place and Laterality specifies the side on which is was placed (left, right, or unknown).