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A 72-year-old male asked:

Fixed defect" vs "reversible defect"? explain differences: mri (chem stess): "small predominantly fixed inferoapical perfusion defect. no significant ischemia. no left ventricular wall motion abnormalities. lvef of 62%. tid is 1.09 (norm =/-1.33?

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Dr. Heidi Fowler
Dr. Heidi Fowleranswered
Psychiatry 27 years experience
This is exactly the type of information you should be getting from either the doctor that performed the MRI or the doctor that ordered it. This portion of HealthTap is designed to provide general health and medical education for free. We can't substitute for your doctor who knows you and can put test results in to context.
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Reviewed Sep 13, 2021
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Dr. Bennett Machanic
Dr. Bennett Machanic agrees1 doctor agrees
Dr. Ramalingaier Parameswaran
Dr. Ramalingaier Parameswarananswered
A US doctor answeredLearn more
“Fixed” describes areas describe areas of myocardium which show no evidence of blood perfusion during stress or at rest indicating damage or infarction. Reversible defects show myocardium which shows no perfusion during stress but perfusion is present at rest indicative of stress-induced absence of perfusion due to stress induced ischemia which also causes abnormal wall motion in the area.
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Answered >2 years ago
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Last updated Sep 13, 2021

Found in:

Perfusion›Ischemia›MRI

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