![Frontiers | Lung Ventilation/Perfusion Scintigraphy for the Screening of Chronic Thromboembolic Pulmonary Hypertension (CTEPH): Which Criteria to Use? Frontiers | Lung Ventilation/Perfusion Scintigraphy for the Screening of Chronic Thromboembolic Pulmonary Hypertension (CTEPH): Which Criteria to Use?](https://www.frontiersin.org/files/Articles/851935/fmed-09-851935-HTML/image_m/fmed-09-851935-g001.jpg)
Frontiers | Lung Ventilation/Perfusion Scintigraphy for the Screening of Chronic Thromboembolic Pulmonary Hypertension (CTEPH): Which Criteria to Use?
![Michael Hofman on Twitter: "Ventilation/Perfusion (V/Q) SPECT/CT scan in COVID-19 68yo♀. Although not described in the case report, I'm intrigued that ↓perfusion is more marked than ↓ventilation, not typical for infection ? Michael Hofman on Twitter: "Ventilation/Perfusion (V/Q) SPECT/CT scan in COVID-19 68yo♀. Although not described in the case report, I'm intrigued that ↓perfusion is more marked than ↓ventilation, not typical for infection ?](https://pbs.twimg.com/media/EYIjx2dUMAAvnMr.jpg:large)
Michael Hofman on Twitter: "Ventilation/Perfusion (V/Q) SPECT/CT scan in COVID-19 68yo♀. Although not described in the case report, I'm intrigued that ↓perfusion is more marked than ↓ventilation, not typical for infection ?
![Posterior projection of a ventilation/perfusion scan. The perfusion... | Download Scientific Diagram Posterior projection of a ventilation/perfusion scan. The perfusion... | Download Scientific Diagram](https://www.researchgate.net/publication/233841147/figure/fig2/AS:601681775575074@1520463522960/Posterior-projection-of-a-ventilation-perfusion-scan-The-perfusion-scan-shows-diffusely.png)
Posterior projection of a ventilation/perfusion scan. The perfusion... | Download Scientific Diagram
![A Prospective, Comparative Study of Ventilation–Perfusion Planar Imaging and Ventilation–Perfusion SPECT for Chronic Thromboembolic Pulmonary Hypertension | Journal of Nuclear Medicine A Prospective, Comparative Study of Ventilation–Perfusion Planar Imaging and Ventilation–Perfusion SPECT for Chronic Thromboembolic Pulmonary Hypertension | Journal of Nuclear Medicine](https://jnm.snmjournals.org/content/jnumed/61/12/1832/F1.large.jpg)