| CASE REPORT |
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| Year : 2017 | Volume
: 16
| Issue : 1 | Page : 78-80 |
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Adenosine stress induced left bundle branch block during technetium-99m tetrofosmin myocardial perfusion imaging
Mohan Roop Jayanthi, Arun Sasikumar, Arun Kumar Reddy Gorla, Ashwani Sood, Anish Bhattacharya, Bhagwant Rai Mittal
Department of Nuclear Medicine, PGIMER, Chandigarh, India
Correspondence Address:
Ashwani Sood
Department of Nuclear Medicine, PGIMER, Chandigarh - 160 012
India
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DOI: 10.4103/1450-1147.181157 PMID: 28217027 
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The occurrence of left bundle branch block (LBBB) in electrocardiogram during exercise testing is a relatively rare finding. The incidence of LBBB during exercise testing ranges from 0.5% to 1.1%. The mechanism of exercise-induced LBBB (EI-LBBB) is poorly understood, but ischemia is a proposed etiology. Stress myocardial perfusion imaging (MPI) can be useful in patients with EI-LBBB to rule out coronary artery disease. Adenosine vasodilator stress is the preferred mode of stress in patients with LBBB for performing stress-MPI. Here we present an interesting case of adenosine-induced LBBB during stress-MPI in a 67-year-old female patient with normal coronary angiography. |
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