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  Indian J Med Microbiol
 

Figure 19: The perfusion is normal and symmetrical in both lungs. Abnormal activity is seen in both kidneys indicating right to left shunt. To quantify right to left shunt, region of interests were drawn around the entire body and around the lung. Right to left shunt is determined by subtracting the count in the pulmonary region from the whole body region. In this case, the right to left shunt was 30%

Figure 19: The perfusion is normal and symmetrical in both lungs. Abnormal activity is seen in both kidneys indicating right to left shunt. To quantify right to left shunt, region of interests were drawn around the entire body and around the lung. Right to left shunt is determined by subtracting the count in the pulmonary region from the whole body region. In this case, the right to left shunt was 30%