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The main pathophysiology of heart failure is a reduction in the efficiency of the heart muscle, through damage or overloading. As such, it can be caused by a wide number of conditions, including myocardial infarction (in which the heart muscle is starved of oxygen and dies), hypertension (which increases the force of contraction needed to pump ...
Tetralogy of Fallot (TOF), formerly known as Steno-Fallot tetralogy, [ 9 ] is a congenital heart defect characterized by four specific cardiac defects. [ 4 ] Classically, the four defects are: [ 4 ] pulmonary stenosis, which is narrowing of the exit from the right ventricle; a ventricular septal defect, which is a hole allowing blood to flow ...
A complication of CHD is heart failure. [2] Congenital heart defects are the most common birth defect. [3] [11] In 2015, they were present in 48.9 million people globally. [8] They affect between 4 and 75 per 1,000 live births, depending upon how they are diagnosed. [3] [12] In about 6 to 19 per 1,000 they cause a moderate to severe degree of ...
Congestive heart failure is a pathophysiological condition in which the heart's output is insufficient to meet the needs of the body and lungs. [10] The term "congestive heart failure" is often used because one of the most common symptoms is congestion or fluid accumulation in the tissues and veins of the lungs or other parts of a person's body ...
Rheumatic fever (RF) is an inflammatory disease that can involve the heart, joints, skin, and brain. [ 1 ] The disease typically develops two to four weeks after a streptococcal throat infection. [ 2 ] Signs and symptoms include fever, multiple painful joints, involuntary muscle movements, and occasionally a characteristic non- itchy rash known ...
People with heart failure, also known as congestive heart failure (CHF), are educated to undertake various non- pharmacological measures to improve symptoms and prognosis. Such measures include: [ 1 ] Moderate physical activity, when symptoms are mild or moderate; or bed rest when symptoms are severe. In individuals with heart failure ...
hide. Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.
Heart failure is defined as a condition in which the heart is unable to pump enough blood to meet the demands of the body. [61] Patients with heart failure may experience breathlessness especially when lying flat, as well as ankle swelling, known as peripheral oedema .
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