Hemodynamic Consequences of Oxygen Breathing in Left Ventricular Failure.

O XY(;EN breatfiijl, is a-i\-olait(dt iin thl treatme::lt of eongnstx 1eiart failu-reS even in the absence of evanosis: howxever, oxv gen breathing decreases thie hTart rate andml cardiac outpput of restirgy iniormi-ial mn--li-,end of normlal meii undier certain othfi1 o01l(liti{ It is of interest. therefore, to kniow nI othe the already inadeqluate cardiae output of lefl heart failure is further deereased bxN oxvcrell breathing in patients who havre n-iormal or' nearly normial arterial oxygen satllreatio-ns Oxygenbreathinig has also lien sholoAnl1 to (1d,erease pulnmonarv vascullar resistanee iii natients with muitral st'i1osis, aid 01egolen"C-ital heart disease assoea-pdtxxlwithl loft-to-righlt