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  Indian J Med Microbiol
 

Figure 3: A 62-year-old female for pre bypass graft workup. Left vertebral artery Doppler tracing showing two systolic peaks and the flow velocity at the nadir of the notch equal to or less than the flow velocity at the end diastole suggesting Type 2 waveform.

Figure 3: A 62-year-old female for pre bypass graft workup. Left vertebral artery Doppler tracing showing two systolic peaks and the flow velocity at the nadir of the notch equal to or less than the flow velocity at the end diastole suggesting Type 2 waveform.