…resistance increases, making it more difficult to eject blood into the aorta. In the early stages of aortic stenosis, stroke volume becomes smaller. Reduced stroke…

…40 mm Hg in older and obese patients. References Baumgartner et al : Echocardiographic assessment of valve stenosis: EAE/ASE Recommendations for Clinical Practice (2009. JASE).

…is considered when medical therapy is insufficient, or when concomitant valvular disease (e.g mitral stenosis) requires intervention. Valve replacement can be performed with biological…

…6 0,85 < 0,6 Measured parameters Aortic sclerosis Mild stenosis Moderate stenosis Severe stenosis Mean gradient (mmHg) < 20 20 40 40 Peak…

…Mitral stenosis typically becomes symptomatic at rest when the valve area is reduced to 1.5 cm 2 . During physical activity, mitral stenosis may become…

…opportunity for reperfusion. In addition, some patients present with severe LMCA stenosis exacerbated by other conditions, and these must also be recognized. Prompt identification of…

Abstract Angiographic stenosis severity is a poor surrogate for the hemodynamic significance of a coronary lesion, with anatomic and functional assessment discordant in a substantial…

Cardiology Neurology Definition and Pathophysiology Carotid artery stenosis is an atherosclerotic narrowing of the carotid arteries. It forms part of multisite artery disease, defined as…

Myocardial ischemia and infarction Definition and Pathophysiology No reflow is impaired anterograde myocardial perfusion despite the absence of a flow limiting epicardial coronary stenosis. It…

…medicine Definition and pathophysiology Peripheral artery disease (PAD) is a clinical disorder caused by stenosis or occlusion of the aorta or arteries supplying the limbs…