Author: DR K TAMILSELVAN
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Pulmonary Stenosis
Pulmonary Stenosis Pulmonary Stenosis is a heart valve disorder that involves the pulmonary valve.This valve separates the right ventricle (one of the chambers in the heart) and the pulmonary artery. The pulmonary artery carries oxygen-poor…
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Mitral Incompetence / Mitral regurgitation
Mitral Incompetence / Mitral regurgitation Mitral Incompetence/Mitral regurgitation (MR) or mitral insufficiency is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the…
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Unstable Angina in Detail
Unstable Angina in Detail Definition Angina is a condition marked by crushing pain in your chest that may also be felt in your shoulders, neck, and arms. The pain is caused by inadequate blood…
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About PQRST in ECG
About PQRST in ECG P wave: ECG deflection representing atrial depolarization. Atrial repolarization occurs during ventricular depolarization and is obscured. QRS wave: ECG deflection representing ventricular depolarization. T wave: ECG defection representing ventricular repolarization…
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Congenital Aortic Stenosis
Congenital Aortic Stenosis Congenital aortic stenosis refers to an abnormally formed aortic valve which produces varying degrees of obstruction.Patients with mild aortic stenosis have no symptoms while those with moderate and severe aortic stenosis…
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Coarctation of Aorta
Coarctation of Aorta Coarctation of the aorta, or aortic coarctation, is a congenital condition whereby the aorta narrows in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts. Aortic coarctation is considered…
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Ventricular Septal Defect (VSD)
Ventricular Septal Defect (VSD) A ventricular septal defect (VSD) is a defect in the ventricular septum, the wall dividing the left and right ventricles of the heart.The ventricular septum consists of an inferior muscular…