Heart Murmurs - Cardiovascular Diseases



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Heart Murmurs

What causes a heart murmur?

Heart murmurs may be caused by a number of factors or diseases, including:

defective heart valves
holes in the heart walls (atrial septal defect or ventricular septal defect)
pregnancy (increased blood volume)
fever
anemia (a decrease in the red cells in the blood)

What are the different types of murmurs?

All murmurs are analyzed for pitch, loudness, and duration. They are also graded according to their intensity (on a scale of one to six, with one being very faint and six being very loud).

Types of murmurs include:

systolic murmur - occurs during a heart muscle contraction. Systolic murmurs are divided into ejection murmurs (due to blood flow through a narrowed vessel or irregular valve) and regurgitant murmurs.
diastolic murmur - occurs during heart muscle relaxation between beats. Diastolic murmurs are due to a narrowing (stenosis) of the mitral or tricuspid valves, or regurgitation of the aortic or pulmonary valves.
continuous murmur - occurs throughout the cardiac cycle.

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At Rush University Medical Center in Chicago, Illinois, cardiologists, cardiovascular surgeons, researchers and nurse specialists work in teams to address the full scope of heart problems, whether common or complex.

Working in state-of-the art facilities, using some of the world’s most sophisticated technology, these experts are on the leading edge of diagnosis, treatment and discovery. From preventive measures to heart transplantation, they are helping to revolutionize heart care.

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Atherosclerosis Atrial Fibrillation Heart Attack (Myocardial Infarction) Cardiomyopathy Congenital Heart Defects Heart Failure Coronary Heart Disease Heart Valve Diseases Cardiac Conditions and Diseases Murmurs Mitral Valve Prolapse Aneurysm Angina Pectoris Arrhythmias Pericarditis Peripheral Vascular Disease Cardiac Sarcoma Rheumatic Heart Disease High Blood Pressure / Hypertension Cardiovascular Diseases Heart Murmurs