<unk>  is the preferred diagnostic tool in the evaluation of an<unk><unk>  defect. A range of techniques may be employed to definitively image and diagnose the nature of an<unk><unk>  defect. These include<unk>  such as: M-mode, trans-thoracic, trans-esophageal, contrast, and Doppler.
Atrial septal defect echocardiography modalities
Tricuspid stenosis electrocardiogram
Atrial septal defect physical examination
Patent ductus arteriosus physical examination
Mitral stenosis electrocardiogram
Ventricular septal defect physical examination
Atrial septal defect cardiac catheterization
Tricuspid stenosis physical examination