<prompt> VAT in mechanical ventilation stands forVentilator associated traumaVentilator associated treatmentVentilator associated tracheobronchitisNone of the above  <response>: VAT Ventilator-associated tracheobronchitis VAP Ventilator-associated pneumonia are nosocomial lower respiratory tract infections common in patients who are on the ventilator for long periods of time Refer: Morgan and Mikhails Clinical Anaesthesiology, 5th edition 