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  Indian J Med Microbiol
 

Figure 1: (a) Resting Electrocardiogram in during treadmill test revealing poor R wave progression in anterior precordial leads. (b) Stress electrocardiogram during treadmill test revealing Left Bundle Branch Block at the heart rate of 134/min

Figure 1: (a) Resting Electrocardiogram in during treadmill test revealing poor R wave progression in anterior precordial leads. (b) Stress electrocardiogram during treadmill test revealing Left Bundle Branch Block at the heart rate of 134/min