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  Indian J Med Microbiol
 

Figure 9: Evaluation of right atrial pressure: (a) Right to left shunt across the patent foramen ovale (arrow); (b) Noncollapsing inferior vena cava suggestive of right atrial pressure >8 mmHg (red arrow); (c) M-mode Echo suggests increased right ventricular free wall thickness (red arrow) and flattening of septum (green arrow)

Figure 9: Evaluation of right atrial pressure: (a) Right to left shunt across the patent foramen ovale (arrow); (b) Noncollapsing inferior vena cava suggestive of right atrial pressure >8 mmHg (red arrow); (c) M-mode Echo suggests increased right ventricular free wall thickness (red arrow) and flattening of septum (green arrow)