![Validation of intracardiac shunt using thoracic bioimpedance and inert gas rebreathing in adults before and after percutaneous closure of atrial septal defect in a cardiology research unit: study protocol | BMJ Open Validation of intracardiac shunt using thoracic bioimpedance and inert gas rebreathing in adults before and after percutaneous closure of atrial septal defect in a cardiology research unit: study protocol | BMJ Open](https://bmjopen.bmj.com/content/bmjopen/9/5/e024389/F1.large.jpg)
Validation of intracardiac shunt using thoracic bioimpedance and inert gas rebreathing in adults before and after percutaneous closure of atrial septal defect in a cardiology research unit: study protocol | BMJ Open
Calculations of cardiovascular shunts and regurgitation using magnetic resonance ventricular volume and aortic and pulmonary flo
![Figure 1 from Quantification of pulmonary to systemic flow ratio by a Doppler echocardiographic method in the normal dog: Repeatability, reproducibility, and reference ranges. | Semantic Scholar Figure 1 from Quantification of pulmonary to systemic flow ratio by a Doppler echocardiographic method in the normal dog: Repeatability, reproducibility, and reference ranges. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/92bb820a8550ab93b083b9da2440d396b9ac3f96/4-Figure1-1.png)
Figure 1 from Quantification of pulmonary to systemic flow ratio by a Doppler echocardiographic method in the normal dog: Repeatability, reproducibility, and reference ranges. | Semantic Scholar
![Table 1 from Quantification of pulmonary to systemic flow ratio by a Doppler echocardiographic method in the normal dog: Repeatability, reproducibility, and reference ranges. | Semantic Scholar Table 1 from Quantification of pulmonary to systemic flow ratio by a Doppler echocardiographic method in the normal dog: Repeatability, reproducibility, and reference ranges. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/92bb820a8550ab93b083b9da2440d396b9ac3f96/5-Table1-1.png)