PMC9810118_01
Electrocardiogram with first-degree AV block, prominent R-waves in V1-V3 with associated Q-waves and HR of 73 bpm.
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FIG1
The electrocardiogram showed first-degree atrioventricular block, prominent R-waves from V1 to V3 with Q waves (suggestive of posterior fibrosis or septal ventricular hypertrophy), and a heart rate (HR) of 73bpm (Figure 1).
99m Tc-Sestamibi scintigraphy. The area radiotraced is highlighted, compatible with parathyroid tissue.
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FIG2
No cervical adenopathies or right thyroid remnants were identified. 99mTc-Sestamibi scintigraphy showed an area of tracer uptake, compatible with a large formation of the left parathyroid gland (Figure 2).
X-ray of the skull (left) and hands (right), without alterations.
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FIG3