Cardiac Function and Hemodynamic Parameters After Pentaerythritol Tetranitrate: Assessment by a Noninvasive Radionuclide Technique

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Abstract
The availability of a relatively small computer with programming providing multiple-gated acquisition capability (MUGA) permits the measurement of ejection fraction and evaluation of ventricular wall motion without the need for invasive techniques. It is probable that the various nitrates available--nitroglycerin, PETN, and isosorbide dinitrate--have somewhat different hemodynamic effects, and that the radionuclide technique can assist in determining these differences and may help to predict which agents might be most appropriate in specific situations.