Physiologic Functional Evaluation of Left Internal Mammary Artery Graft to Left Anterior Descending Coronary Artery Steal due to Unligated First Thoracic Branch in a Case of Refractory Angina

<div>Coronary flow reserve (CFR) tracing during 140 mcg/kg/min intravenous adenosine infusion following side branch balloon occlusion revealing a value of 5.3.</div>

Case Reports in Cardiology

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Figure 4: Physiologic Functional Evaluation of Left Internal Mammary Artery Graft to Left Anterior Descending Coronary Artery Steal due to Unligated First Thoracic Branch in a Case of Refractory Angina 

Figure 4 | Physiologic Functional Evaluation of Left Internal Mammary Artery Graft to Left Anterior Descending Coronary Artery Steal due to Unligated First Thoracic Branch in a Case of Refractory Angina 