Monthly Archives: June 2023

The heart has four chambers, two upper chambers called the atria, which are the two chambers that receive blood, and two lower chambers called the ventricles, which are the two… Read more »

The human heart is located in the mediastinum, at the level of the fifth to eighth thoracic vertebrae. The heart is surrounded by a double-membrane sac called the pericardium that… Read more »

The heart[1][2](in English: Heart) is a muscular organ in humans and other animals that pumps blood through the blood vessels of the circulatory system.[3] Blood supplies the body with oxygen… Read more »

The aortic valve is traditionally replaced by a median sternotomy, that is, an incision is made by cutting the breastbone (sternum). through the right atrium), and the patient is placed… Read more »

The guidelines indicate that the patient’s age, lifestyle, and medical history should be considered when choosing a valve. Tissue valves degenerate more quickly in young patients and during pregnancy, but… Read more »

Mechanical valves are made of synthetic materials such as titanium, as they are more durable, and usually last from 20 to 30 years, but the risk of clot formation is… Read more »

Tissue heart valves are usually made from animal tissue (heterograft) which is affixed to metal or polymeric supports. Bovine tissue is commonly used, but some alternatives are made from pig… Read more »

Many people with aortic valve insufficiency do not develop symptoms until many years after the disease. Aortic valve replacement is recommended when there are symptoms of shortness of breath, when… Read more »

Aortic valve stenosis is treated with replacement in order to avoid angina, syncope, or congestive heart failure. People with severe valvular stenosis are candidates for valve replacement as soon as… Read more »

The aortic valve takes the shape of a half moon, contains three cusps, and separates the heart from the aorta. Each cusps, when connected to the wall of the artery,… Read more »