…Although only a fraction of the sound waves are reflected back to the transducer, the billions of erythrocytes in the blood will collectively generate enough…

…Is left ventricular ejection fraction (LVEF) normal? A normal sized ventricle with hyperdynamic contractility suggests acute aortic regurgitation. The severity of aortic regurgitation can be…

…daytime symptoms suggestive of sleep disordered breathing Hypoventilation Peripheral oedema or venous disease Reduced mobility Osteoarthritis and low back pain Symptoms of type 2 diabetes…

…80 years. This was expressed in 1961 by Beck et al in the Journal of American Medical Association (JAMA): [...] Of every 10 such victims, the…

…Procedure Choice of access The ultrasound, not tradition, determines the site. Scan subxiphoid, parasternally and apically, and choose the site where the rim of fluid…

…Advantages of fractional shortening If ventricular geometry is normal and there are no regional wall motion abnormalities, then fractional shortening correlates strongly with ejection fraction…

…or supranormal ejection fraction , despite manifest heart failure and severe symptoms. These individuals exhibit pronounced hypertrophy, resulting in a reduction of ventricular volume and subsequently…

…episodes of myocardial ischemia, do not cause ventricular arrhythmias and cardiac arrest. It is clear that only a negligible fraction of all episodes of myocardial…

…to Methods and Clinical Relevance The shunt fraction (Qp/Qs) is a critical hemodynamic parameter used to quantify the ratio of pulmonary blood flow (Qp)…