However, when V 1 is greater than 1 m/s, which may be seen in concomitant AR or a high output state, it should be included in the formula. The mean pressure gradient is derived from the average ...

Patients with either severe or moderate aortic stenosis (AS) have poor long-term survival when left untreated, according to data from an Australian registry of nearly 250,000 people presented in a ...

A sizeable proportion of patients diagnosed with moderate aortic stenosis (AS) will have hemodynamic parameters on echocardiography that don’t match the standard definition, and many may be at greater ...