Ukuhogela umoya-mpilo isikhathi eside kungadambisa umfutho wegazi ophakeme wamaphaphu obangelwa i-hypoxia, kunciphise i-polycythemia, kunciphise i-viscosity yegazi, kunciphise umthwalo we-ventricle efanele, futhi kunciphise ukuvela nokuthuthukiswa kwesifo senhliziyo yamaphaphu. Thuthukisa ukutholakala komoyampilo ku...