Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

Primary cardiogenic shock
History of more than mild pulmonary hypertension preceding ARDS diagnosis
Presence of pre-existing significant valvular disease
Presence of pre-existing left ventricular dysfunction or significant hypertrophy
Consent cannot be obtained from the patient or his/her surrogates
Refusal of consent
Opinion of treating physicians that enrolling the patient in the study would be detrimental to his/her outcome

Inhaled Nitric Oxide for ARDS-related Pulmonary Hypertension