Prone Position Assessed by 3D EIT

Prone Position Assessment by 3D EIT in ARDS Patients

To investigate global and regional changes in lung ventilation and perfusion induced by prone position in ARDS patients assessed by 3D-EIT. And to investigate the difference between 2D-EIT and 3D-EIT in prone position monitoring.

Inclusion Criteria:

• patients on mechanical ventilation.
• Diagnosis of ARDS was based on the Berlin definition
• Patients in need of prone position because of clinical condition

Exclusion Criteria:

• Under 18 years of age.
• Pregnant women;
• Ribcage malformation
• Any contraindication to the use of EIT (e.g. automatic implantable cardioverter defibrillator, and implantable pumps).