Thallium-201 myocardial SPECT in a patient with mirror-image dextrocardia and left bundle branch block
Copyright policy )Thallium-201 myocardial SPECT in a patient with mirror-image dextrocardia and left bundle branch block
A 53-year-old male patient with a previous diagnosis of situs inversus with mirror-image dextrocardia underwent thallium-201 (Tl-201) stress-redistribution myocardial perfusion single photon emission computed tomography (SPECT). Electrocardiogram (ECG) obtained on right hemithorax revealed constant complete left bundle branch block. Tl-201 stress-redistribution SPECT images revealed abnormal perfusion with reversible ischemia in the anteroseptal, septal and inferoseptal walls. Coronary angiography performed 1 month after SPECT study was normal. This case illustrates that false positive reversible perfusion defects can be seen in patients with mirror-image dextrocardia associated with constant complete left bundle branch block. To our knowledge, this is the first reported case of mirror-image dextrocardia and constant complete left bundle branch block with false positive Tl-201 SPECT findings.
- Gazi University Turkey
- Cumhuriyet University Turkey
Male, Tomography, Emission-Computed, Single-Photon, Bundle-Branch Block, myocardial SPECT, Coronary Artery Disease, Dextrocardia, Middle Aged, Diagnosis, Differential, Electrocardiography, 516, thallium-201, Humans, left bundle branch block, False Positive Reactions, mirror image dextrocardia, Radiopharmaceuticals, Thallium
Male, Tomography, Emission-Computed, Single-Photon, Bundle-Branch Block, myocardial SPECT, Coronary Artery Disease, Dextrocardia, Middle Aged, Diagnosis, Differential, Electrocardiography, 516, thallium-201, Humans, left bundle branch block, False Positive Reactions, mirror image dextrocardia, Radiopharmaceuticals, Thallium
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