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  Indian J Med Microbiol
 

Figure 2: (a) Left VA Doppler spectrum of a 61 years old male in the supine position. (b) Left VA Doppler spectrum of the same patient in the sitting position. Note the early systolic retrograde flow

Figure 2: (a) Left VA Doppler spectrum of a 61 years old male in the supine position. (b) Left VA Doppler spectrum of the same patient in the sitting position. Note the early systolic retrograde flow