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  Indian J Med Microbiol
 

Figure 4: Correlations between upright NPY levels and hemodynamic parameters in the positive-response period in vasovagal syncope children with a vasoinhibitory response. (a) Correlation between the plasma NPY levels and the TPVR negatively. (b) Correlation between the plasma NPY levels and the CO. 1 mmHg = 0.133 kPa. NPY: Neuropeptide Y; TPVR: Total peripheral vascular resistance; CO: Cardiac output.

Figure 4: Correlations between upright NPY levels and hemodynamic parameters in the positive-response period in vasovagal syncope children with a vasoinhibitory response. (a) Correlation between the plasma NPY levels and the TPVR negatively. (b) Correlation between the plasma NPY levels and the CO. 1 mmHg = 0.133 kPa. NPY: Neuropeptide Y; TPVR: Total peripheral vascular resistance; CO: Cardiac output.