Kurata C, Terada H, Fujii T, Fujita R, Sasaki Y
Eur J Nucl Med. 1985;10(3-4):169-71. doi: 10.1007/BF00252730.
We present a case report of a 67-year-old woman with rate-dependent left bundle-branch block (LBBB). Although coronary angiography demonstrated no significant obstructive lesions, a reversible focal defect developed on 201T1 myocardial scintigraphy when LBBB was induced by right-atrial pacing.