| AHI | Apnea–Hypopnea Index |
| BMI | Body Mass Index |
| COPD | Chronic Obstructive Pulmonary Disease |
| CPAP | Continuous Positive Airway Pressure |
| CTPA | Computed Tomography Pulmonary Angiography |
| DLCO | Diffusing Capacity of the Lung for Carbon Monoxide |
| DVT | Deep Vein Thrombosis |
| ESC | European Society of Cardiology |
| ESS | Epworth Sleepiness Scale |
| HR | Heart Rate |
| ODI | Oxygen Desaturation Index |
| OSA | Obstructive Sleep Apnea |
| PE | Pulmonary Embolism |
| PESI | Pulmonary Embolism Severity Index |
| RV | Right Ventricle |
| SBP | Systolic Blood Pressure |
| SpO2 | Peripheral Oxygen Saturation |
| SPAP | Systolic Pulmonary Artery Pressure |
| TC90 | Percentage of Recording Time with Oxygen Saturation <90% |
| TAPSE | Tricuspid Annular Plane Systolic Excursion |
| TTE | Transthoracic Echocardiography |
| VTE | Venous Thromboembolism |
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