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Tricuspid regurgitation (TR), also called tricuspid insufficiency, is a type of valvular heart disease in which the tricuspid valve of the heart, located between the right atrium and right ventricle, does not close completely when the right ventricle contracts .
Tricuspid regurgitation is usually secondary to right ventricular dilation [16] which may be due to left ventricular failure (the most common cause), right ventricular infarction, inferior myocardial infarction, [16] or cor pulmonale [16] Other causes of tricuspid regurgitation include carcinoid syndrome and myxomatous degeneration. [16]
A ventricular outflow tract obstruction means there is a limitation in the blood flow out of either the right or left ventricles of the heart, depending on where the obstruction is.
Aortic regurgitation (AR), also known as aortic insufficiency (AI), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. As a consequence, the cardiac muscle is forced to work harder than normal.
395.9 Other and unspecified; 396 Diseases of mitral and aortic valves; 397 Diseases of other endocardial structures. 397.0 Diseases of tricuspid valve; 397.1 Rheumatic diseases of pulmonary valve; 397.9 Rheumatic diseases of endocardium, valve unspecified; 398 Other rheumatic heart disease. 398.0 Rheumatic myocarditis; 398.9 Other and unspecified
Other recognised causes are: right ventricular failure, tricuspid regurgitation, and atrial septal defect. [1] Right atrial enlargement (RAE) is clinically significant due to its prevalence in diagnosing supraventricular arrhythmias.
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Pulmonary artery catheter Severe tricuspid regurgitation In terms of the diagnosis of pulmonary hypertension, it has five major types, and a series of tests must be performed to distinguish pulmonary arterial hypertension from venous, hypoxic, thromboembolic, or unclear multifactorial varieties.