title: A modified ECG-triggered cinefilm-mark unit for DSA studies of the heart and great vessels.
abstract: The authors developed an inexpensive, reliable, and easy-to-install, ECG-triggered cinefilm-mark device that permits performance of high-quality subtraction studies of the coronary circulation.
mesh_terms: D000790:Angiocardiography / Q000379:methods*; D002932:Cineangiography / Q000295:instrumentation / Q000379:methods*; D004562:Electrocardiography; D006801:Humans; D013382:Subtraction Technique