title: Evaluation of left ventricular volumes measured by magnetic resonance imaging.
abstract: Left ventricular end-diastolic and end-systolic volumes were determined in 17 patients with different levels of left ventricular function by magnetic resonance imaging (MRI). A 1.5 Tesla Magnet was used obtaining ECG triggered single and multiple slices. Calculated cardiac outputs were compared with those measured simultaneously by a classical physiological indicator dilution technique. There was good agreement between cardiac output as measured by MRI and the indicator dilution method, when the multislice technique was used (r = 0.87, p less than 0.001). A poor correlation between the two methods was seen when the single slice technique was used (r = 0.06, p greater than 0.80). The results indicate that MRI is a reliable method for left ventricular volume determination when the multislice technique is used.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000473:pathology; D002306:Cardiac Volume; D005260:Female; D006339:Heart Rate; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D006973:Hypertension / Q000473:pathology; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000473:pathology; D011660:Pulmonary Heart Disease / Q000473:pathology