Novel Echocardiographic and Invasive Haemodynamic Measurements in the Assessment of Patients Low Flow Low Gradient Aortic Stenosis Undergoing TAVI
Conditions
- Cardiovascular Abnormalities
Interventions
- OTHER: Ultrasound
- PROCEDURE: Catheters
- PROCEDURE: Soft study wire
- RADIATION: X-ray
- DRUG: Dobutamine
Sponsor
The Royal Wolverhampton Hospitals NHS Trust