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| Sample Volume: | In the Right Ventricular Inflow Tract (RVIT) | | Normal Flow: | Primarily diastolic | | Abnormal Finding: | Increased diastolic flow velocity and spectral broadening due to tricuspid stenosis. |
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| Sample Volume: | In the Right Atrium (RA) | | Normal Flow: | Diastolic | | Abnormal Finding: | High velocity retrograde systolic flow and spectral broadening due to tricuspid regurgitation. |
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| Sample Volume: | In the Right Ventricular Outflow Tract (RVOT) | | Normal Flow: | Systolic | | Abnormal Findings: | - Increased systolic flow velocity and spectral broadening due to a subpulmonic stenosis, or to a ventricular septal defect.
- High velocity retrograde diastolic flow and spectral broadening due to pulmonic insufficiency.
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| Sample Volume: | In the Pulmonary Artery (PA) | | Normal Flow: | Systolic | | Abnormal Findings: | - High systolic flow velocity and spectral broadening due to a pulmonic or subpulmonic stenosis.
- Continuous (systollic and diastolic) nonlaminar flow due to a patent ductus arteriosus.
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