Low-Flow Low-Gradient Aortic Stenosis: When is it Severe?

Jan 15, 2015   |  Abdellaziz Dahou, MD, MSc; Philippe Pibarot, DVM, PhD, FACC

Expert Analysis

A low flow state may occur with reduced left ventricular ejection fraction (LVEF) (i.e. Classical Low Flow) or with preserved LVEF (i.e. Paradoxical Low Flow) and it is often associated with a low transvalvular gradient given that the gradient is...

Clinical Topics: Arrhythmias and Clinical EP, Cardiovascular Care Team, Heart Failure and Cardiomyopathies, Invasive Cardiovascular Angiography and Intervention, Noninvasive Imaging, Valvular Heart Disease, Atrial Fibrillation/Supraventricular Arrhythmias, Interventions and Imaging, Interventions and Structural Heart Disease, Computed Tomography, Echocardiography/Ultrasound, Nuclear Imaging, Mitral Regurgitation

Keywords: Algorithms, Antihypertensive Agents, Aortic Valve, Aortic Valve Stenosis, Atrial Fibrillation, Blood Pressure, Calcium, Constriction, Pathologic, Contrast Media, Diagnostic Tests, Routine, Dobutamine, Echocardiography, Echocardiography, Stress, Hemodynamics, Mitral Valve Insufficiency, Mitral Valve Stenosis, Multidetector Computed Tomography, Stroke Volume, Systole, Tricuspid Valve Insufficiency