Assessment of Peripheral Veins Doppler Ultrasound for Diagnosis of Acute Right Heart Failure in Suspicion or Follow-up of Pulmonary Hypertension

Inclusion criteria

• Adult patient (age ≥ 18 years old)
• Patient referred to the cardiology department for a right heart catheterization with measurement of RAP, regardless of the indication.
• Free subject, without guardianship or curatorship or subordination
• People affiliated to or beneficiary of a social security schemes
• Informed consent signed by the patient after clear and fair information about the study.

Exclusion criteria

• Minor patient (age < 18 years)
• Refusal to participate in the study
• Patient with hemodynamic instability, unable to tolerate a delay in treatment caused by the ultrasound examination.
• Patient requiring diuretic treatment within the next 4 hours
• Patient with a life expectancy of less than 24 hours.
• History of proximal deep venous thrombosis involving the inferior vena cava and/or common iliac veins and/or femoral veins.
• History of extrinsic venous compression on the inferior vena cava and/or common iliac veins and/or femoral veins.
• Persons who do not benefit from a Social Security scheme or who do not benefit from it through a third party.
• Persons benefiting from reinforced protection, namely minors, pregnant and nursing women, persons deprived of liberty by a judicial or administrative decision, persons staying in health or social institutions, adults under legal protection and finally patients in emergency situations.