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Figure 1 The transesophogeal magnetic resonance imaging (TEMRI) device. The probe consists of a 1.2 mm-diameter loopless radiofrequency receiver and a modified Levin tube housing. A standard transesophageal echocardiography probe and a U.S. 5-cent coin are shown for size comparison. The TEMRI probe is connected via a BALUN circuit and a tuning, matching and decoupling circuit (TMD) to the scanner as described in the Methods section.
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