| American Heart Association: Looks at heart murmurs and their causes. |
| Cardiac Auscultation: Ten heart sounds to listen to including a normal heart to compare sounds. |
| Cardiothoracic Surgery of Savannah: Includes an explanation of how heart valves work, and audio files with the sounds of common heart valve murmurs. |
| Children's Heart Institute: Among some of the topics discussed are, causes of innocent and non-innocent murmurs and physical signs present. Audio to experience the different sounds. |
| Family Practice Notebook: Heart Auscultation: Examination of valve murmurs. Detailed topics such as characteristics, timing, severity, causes and management. |
| Florida Thoracic and Cardiovascular Associates: Explains what a heart murmur is, about heart valves, how a normal heart works and problems. Includes audio of 5 different heart sounds. |
| Heart Murmurs and Your Child: An article addressing the diagnoses of this disorder, as well as congenital heart defects, common heart defects and their treatment. |
| Heart Murmurs in Children: What Parents Should Know: What parents should know regarding a normal heart murmur, and what does it mean. Discusses when it is a sign of a problem. |
| Landon Pediatric Foundation: Fred Leong M.D looks at common heart sounds and murmurs in infants, innocent murmurs, pathologic murmurs, and diastolic continuous murmurs. Audio as well to hear the heart sounds. |
| MEDLINEplus Medical Encyclopedia: Heart sounds: Article about the definition, alternative names, common causes in detail, what to expect from your doctor and test procedures of heart murmurs. |
| Murmurs of the Heart: Discussion by Daniel J. Waters, D.O., FCCP on the causes and diagnosing of this disorder. |
| Rush Children's Heart Center: In-depth look at how to evaluate a murmur, symptoms to look for, physical examination, auscultation, and features of the innocent murmur. |
| School Nurse.com: An article examining how a young patient should be diagnosed and observed for detection heart murmurs. Whether to tell the parents or when to record it in the medical records is discussed. |
| School of Nursing: Presented are audio of numerous heart sounds and murmurs. |
| The Auscultation Assistant: Audio to differentiate the characteristics of heart murmurs and discussion of the different types of murmurs. |
| The Pediatric Bulletin: Details on characteristics of murmurs, supraclavicular systolic murmurs and innocent continuous murmurs. |