Heart Valve Problem Creates Blood InsufficiencyRead the full-text online article and more details about "Heart Valve Problem Creates Blood Insufficiency" by Dr. Paul Donohue - St Louis Post-Dispatch (MO), May 1, 1994By Dr. Paul Donohue
blood pressure, force originating in the pumping action of the heart, exerted by the blood against the walls of the blood vessels; the stretching of the vessels in response to this force and their subsequent contraction are important in maintaining blood flow through the vascular system. In human...
Glycerol solution with the viscosity coefficient similar to that of blood is used in evaluating the performance characteristics of prosthetic heart valves in the laboratory. However, physiological saline solution is used as a test fluid in testing tissue heart valves even though the viscosity coefficient...
The primary function of the heart is to serve as a muscular pump propelling blood into and throughvesselsto and from all parts of the body. The arteries, which receive this blood at high pressure and velocity and conduct it throughout the body, have thick walls that are composed of elastic...
polysaccharides and proteoglycans (Indumathi & Mehta, 2016). However, few studies in marine species have described peptides with anticoagulant properties. The common assays used to determine the peptides anticoagulant activity are the following: prolongation of activated partial thromboplastin time (APTT...
For the first time, a strong link has been established between high blood pressure and the most common heart valve disorder in high-income countries, by new research from The George Institute for Global Health at the University of Oxford.
subaortic stenosis; mechanical heart valve; CFD; heart valve diseases1. Introduction Subaortic stenosis is a heart valve disease that is characterized by a narrowing of the area below the aortic valve. This narrowing can obstruct the flow of blood from the left ventricle to the aorta [1]. ...
The heart valves work the same way as one-way valves in the plumbing of your home. They prevent blood from flowing in the wrong direction. Each valve has a set of flaps, called leaflets or cusps. The mitral valve has two leaflets; the others have three. The leaflets are attached to an...
However, there are some exceptions where the function cannot be used. Check below to know if you are among these exceptions. Do not use the blood pressure featureif you are younger than 22 years old, pregnant, or have any of the following conditions: ...
Electrocardiography (ECG) is almost always done to determine whether the heart rhythm is normal, whether the walls of the ventricles are thickened, and whether the person has had a heart attack. Echocardiography Echocardiography, which uses sound waves to produce an image of the heart, is one ...