Inclusion Criteria:  Male or female > 18 years of age BMI ≤ 30 kg/m2 Infrarenal AAA Scheduled for elective EVAR with the Endurant II stent graft Informed consent form understood and signed, and agrees to all visits  Exclusion Criteria:  Hypersensitivity to the active substance(s) or any of the excipients in Sonovue Right-to-left cardiac shunt Severe pulmonary hypertension (pulmonary artery pressure > 90mmHg) Uncontrolled systemic hypertension Severe pulmonary disease (e.g. COPD GOLD 3 or 4, adult respiratory distress syndrome) Clinically unstable cardiac disease (recent, < 3 months, or ongoing myocardial infarction, unstable angina at rest, recent percutaneous coronary intervention, clinically worsening cardiac symptoms, severe cardiac arrhythmia's, endocarditis, etc.) Prosthetic valves Loss of renal function (GFR < 31 ml/min), end-stage renal disease End-stage liver disease Sepsis Hypercoagulable status, recent (< 3 months) thrombosis Congestive heart failure (class III or IV) Pregnancy MRI exclusion criteria (pacemakers, cerebral vascular clips, claustrophobia)