Cardiac ventriculography; direct transthoracic needle puncture opacification of the left (or right) ventricle.
D003952:Diagnostic Imaging; D006321:Heart / Q000000981:diagnostic imaging*; D006352:Heart Ventricles; D006801:Humans; D009339:Needles; D011677:Punctures; D011859:Radiography
HEART/radiography