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  Indian J Med Microbiol
 

Figure 3: Panel 1 (top): Myocardial perfusion scintigraphy at rest and with nitroglycerine. The rest images show severe decrease in perfusion to the inferior wall [right coronary artery (RCA) territory]. With nitroglycerine, there is improvement in flow to the inferior wall,but with markedly decreased perfusion to the anterior wall and apex [left anterior descending (LAD) territory], illustrating "coronary steal" from LAD to RCA territory. Panel 2 (middle): Angiographic view showing neartotal occlusion of the RCA and 50% stenosis in the midLAD. Panel 3 (bottom): Collaterals can be seen from LAD to RCA

Figure 3: Panel 1 (top): Myocardial perfusion scintigraphy at rest and with nitroglycerine. The rest images show severe decrease in perfusion to the inferior wall [right coronary artery (RCA) territory]. With nitroglycerine, there is improvement in flow to the inferior wall,but with markedly decreased perfusion to the anterior wall and apex [left anterior descending (LAD) territory], illustrating