10-06-2009, 12:02 PM
a 53 yr old female is hospitalized for heart failure.on day 3rd her hematocrit is 50%.and blood gas analysis shows that PaO2 is 70%...a 51cr tagged rbcs infusion shows that she is had normal rbc mass..most likely cause for the dev of polycythemia is?
a..polycythemia rubra vera
b..hypoxic erythrocytosis
c..renal disease
d..occult neoplasia
e..relative erythrocytosis
a..polycythemia rubra vera
b..hypoxic erythrocytosis
c..renal disease
d..occult neoplasia
e..relative erythrocytosis