 Family history is negative for any congenital heart disease, syndromes, hypertension, sickle cell anemia or sickle cell trait and no significant positive PPD contacts and history of second-hand smoke exposures.
Family history is negative for any congenital heart disease , syndromes , hypertension , sickle cell anemia or sickle cell trait and no significant positive PPD contacts and history of second - hand smoke exposures .