<prompt> Bhala indatshana emfushane enesihloko esilandelayo: Umuntu X uya kudokotela wenhliziyo  <response>: Yebo, nansi isigaba esifushane: UMarkell uya kudokotela wezinhliziyo. Udokotela wezinhliziyo utshela uMarkell ukuthi bazokwenza i-echocardiogram. UMarkell uzizwa enovalo ngoba abakaze babe nalo ngaphambili. 