Pulsed Doppler Echocardiography in the Diagnosis of Ventricular Septal Defect and Patent Ductus Arteriosus
نویسندگان
چکیده
some limitations and it is unable to detect small abnormalities beyond the imaging resolution of the apparatus. Ventricular septal defects (VSDs) can only be detected if they are sufficiently large or are associated with certain anatomical malformation (Magherini et al., 1983). Accurate demonstration of a patent ductus arteriosus (PDA) is limited due to echo dropout which makes visualisation of the ductal area difficult (Hagan et al., 1980). The following case report illustrates how pulsed Doppler echocardiography can provide useful clinical information non-invasively in a patient with a normal two dimensional echocardiogram.
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