Umbhalo Waphansi

a Kulesi simo, kuphambana umthambo i-aorta ne-pulmonary. Ngenxa yalokho, igazi elinomoya-mpilo okufanele liye emzimbeni laliya emaphashini kuphela. Kwabikwa indaba efanayo kumagazini wethu wesiNgisi ka-April 8, 1986, emakhasini 18-20.