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1.5T Inducible ischemia - London Chest Hospital

Dr. Westwood, Mark, M.D. London Chest Hospital United Kingdom

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ExamCard purpose

This release 2.6 Achieva 1.5T ExamCard was created by the London Chest Hospital to image ischemia of the cardiac wall.

ExamCard overview

The 32-channel SENSE Torso/Cardiac coil was used together with the Philips docking table and ECG triggering.

Breath-hold SSFP cines in the 4-chamber, 2-chamber and short axis orientations are to assess function. Acquired voxel size 1.8 mm x 1.8 mm x 8 mm.

Stress and rest perfusion (dynamic temporal enhancement) b-SSFP scans with a saturation prepulse of 100ms. Three short axis slices with a slice gap of 8 mm are acquired every heart beat.

2D scar, early enhancement in the 2-chamber and 4-chamber orientations are for clot and thrombus visualisation.

2D scar, late enhancement in the 2-chamber, 4-chamber and short axis multi-slice orientations are for scar visualisation.

ExamCard images

Stress images

Stress images show significant anterior and septal peri-infarct ischemia extending inferiorly.

The mid-ventricular anterior and anterolateral near-transmural infarction extends to the subendocardium of the apical anterior segment.

Further subendocardial infarction is seen in the mid-ventricular and apical septal and inferior segments.
Rest images

Contrast agent / injection protocol

Gadoterate meglumine (Gd-DOTA) contrast agent at 0.1 mmol/kg of body weight.

Adenosine was administered for the stress perfusion series.

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Dec 9, 2010

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Achieva 1.5T
Release 2.6
Nova, Nova Dual, Pulsar
Aorta, Cardiac, Cardiac Morphology, Coronary arteries, Function Cine, Function Non-Cine, inducible ischemia, SENSE Torso/Cardiac coil

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