B/W ultrasound , kapena ultrasound yakuda ndi yoyera, imatanthawuza mtundu wa kujambula kwachipatala komwe kumagwiritsa ntchito mafunde omveka kwambiri kuti apange zithunzi zooneka mkati mwa thupi. Njira yosagwiritsa ntchito imeneyi imagwiritsidwa ntchito nthawi zambiri pochiza matenda osiyanasiyana azachipatala, kuphatikizapo zachipatala, zamtima, ndi radiology.