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Patients with pericardial effusion may have unremarkable physical exams but often present with tachycardia, distant heart sounds and tachypnea. [5] A physical finding specific to pericardial effusion is dullness to percussion, bronchial breath sounds and egophony over the inferior angle of the left scapula.
Cardiac fibrosis commonly refers to the excess deposition of extracellular matrix in the cardiac muscle, but the term may also refer to an abnormal thickening of the heart valves due to inappropriate proliferation of cardiac fibroblasts. [1] Fibrotic cardiac muscle is stiffer and less compliant and is seen in the progression to heart failure.
In relation to the rib cage, the coronary sulcus spans from the medial side of the 3rd left costal cartilage, to the middle of the right 6th costal cartilage. [1] Epicardial fat tends to be concentrated along the coronary sulcus. [4] [5] There are two coronary sulci in the heart, including left and right coronary sulci.
During diastole, less blood flow in left ventricle allows for more room for filling in right ventricle and therefore a septal shift occurs. [8] During expiration, the amount of blood entering the left ventricle will increase, allowing the interventricular septum to bulge towards the right ventricle, decreasing the right heart ventricular filing ...
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The visceral serous pericardium, also known as the epicardium, covers the myocardium of the heart [8] and can be considered its serosa. It is largely made of a mesothelium overlying some elastin-rich loose connective tissue. During ventricular contraction, the wave of depolarization moves from the endocardial to the epicardial surface.
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Cardiomyopathy is a group of primary diseases of the heart muscle. [1] Early on there may be few or no symptoms. [1] As the disease worsens, shortness of breath, feeling tired, and swelling of the legs may occur, due to the onset of heart failure. [1]