title: A new wedge to facilitate obtaining half-axial views during coronary arteriography.
abstract: A wedge has been designed and constructed to facilitate obtaining posteroanterior and oblique half-axial projections routinely during coronary arteriographic examinations in a conventionally equipped catheterization laboratory.
mesh_terms: D000792:Angiography / Q000295:instrumentation*; D017023:Coronary Angiography; D006801:Humans; D011187:Posture