Huaiwu He

CONTACT

Lead Sponsor

Peking Union Medical College Hospital

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

•1. Patients with clinically suspected or confirmed acute pulmonary embolism (PE) presenting with acute respiratory failure;
•2. Availability of CTPA results within 24 hours or scheduled to undergo CTPA within the next 24 hours;
•3. Age \>18 years; no gender restrictions;
•4. Presence of central venous access (internal jugular or subclavian vein) or peripheral forearm venous access;
•5. Willingness to participate with signed informed consent from either the patient or legal guardian.

•1. Pregnancy or lactation;
•2. Relative contraindications to EIT examination (e.g., chest wall wounds at electrode belt placement site, presence of pacemakers);
•3. Severe hypernatremia (serum sodium \>155 mmol/L);
•4. Inability to maintain expiratory breath-hold for ≥8 seconds;
•5. BMI \>50 or severe thoracic deformities;
•6. Current extracorporeal membrane oxygenation (ECMO) therapy.