Overview
Patient with paradoxical or conventional low-flow low-gradient aortic stenosis on echocardiographic assessment will undergo physiological exercise-stress CMR in addition to guideline recommended surveys prior to TAVR.
Eligibility
Inclusion Criteria:
- paradoxical or conventional severe low-flow low-gradient aortic stenosis
Exclusion Criteria:
- CMR incapable device
- unable to undergo 40 min scan (can not lie flat, claustrophobia)
- renal insufficiency (eGFR <30 ml/min/1.73m²)
- allergy against contrast agent
- unable to exercise in supine position