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Radionuclide and angiographic assessment of the right heart.

Although the pleomorphic nature of the human right ventricle makes wall motion assessment a challenge, it is a worthy challenge in terms of recognizing clinical infarction, ischemia, and primary contractile abnormalities of the right heart. As for the left ventricle, contrast angiography provides the best frame of reference, but will hopefully make way for noninvasive radionuclide ventriculographic methods after systemic evaluation has been carried out.