Fig.1Prevalenceofacutecorpulmonale(ACP)inpatientswithacuterespiratorydistresssyndromeaccordingtotheACPriskscoreinthederivationcohort(upperpanel),validationcohort(middlepanel),andentireserieswithaproposalforechocardiographymonitoring(lowerpanel).StippledpartsofbarsdenotesevereACP,solidlinewithtrianglesdenotepercentagehospitalmortality.TheACPriskscorecouldnotbe