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  • Title: Intravenous digital left ventriculography at rest and with atrial pacing as a screening procedure for coronary artery disease.
    Author: Johnson RA, Wasserman AG, Leiboff RH, Katz RJ, Bren GB, Varghese PJ, Ross AM.
    Journal: J Am Coll Cardiol; 1983 Nov; 2(5):905-10. PubMed ID: 6355238.
    Abstract:
    Digital subtraction left ventriculography using intravenous contrast injection was evaluated as a screening diagnostic method for coronary heart disease. Intravenous ventriculography was performed in 61 patients with 35 cc of contrast medium injected into a central vein (usually the inferior vena cava). Recognition of regional wall motion abnormalities by this technique was shown to be comparable with direct left ventriculography in 40 patients who underwent both imaging modalities at rest. If the rest digital ventriculogram was normal, it was repeated after incremental atrial pacing to the onset of chest pain or to a maximal heart rate of 150 beats/min. Forty-four of the 61 patients had significant coronary artery disease, of whom 10 had a wall motion abnormality at rest on intravenous ventriculography. With pacing, 28 of the 34 remaining patients developed a new wall motion abnormality. Thus, 38 (86%) of 44 patients with coronary heart disease were identified by wall motion abnormalities. One of the 17 patients without coronary artery disease had an abnormal rest study and was incorrectly assigned a diagnosis of coronary disease. Intravenous digital ventriculograms approximate those obtained by direct ventriculography. When combined with atrial pacing they are a sensitive and specific means of detecting coronary artery disease.
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