| APE | Acute pulmonary embolism |
| CTOI | CT Obstruction Index |
| CTPA | Computed Tomography Pulmonary Angiography |
| IVC | Inferior vena cava |
| LA | Left atrium |
| LV | Left ventricle |
| PA | Pulmonary artery |
| PAD | Pulmonary artery distensibility |
| PE | Pulmonary embolism |
| RA | Right atrium |
| RV | Right ventricle |
| RVD | Right ventricular dysfunction |
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