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Updated: Aug 17, 2026

Echocardiographic Assessment of Cardiac Anatomy and Function in Adult Rats
Published on: December 13, 2019
[Determination of left ventricular function using nuclear medicine methods]
Abstract:
ECG-gated blood-pool scintigraphy with multiple gating acquisition is a good tool for evaluation of global and regional ventricular function. During exercise there is an average increase of ejection fraction of about 13.4% compared with rest ejection fraction in patients with normal ventricular function. A decrease or insufficient increase of ejection fraction by exercise is due to myocardial ischemia. After administration of isosorbiddinitrat in retard preparation there is an increase of ejection fraction of about 7%, lasting at least for 12 hours.
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