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What is Hjertestetoskopi.dk?

An online training tool that offers case based e-learning combined with interactive cardiac auscultation of the most common and serious cardiac murmurs.

Why cardiac auscultation?

Heart valve diseases are relatively common with aortic stenosis being the third most common cardiovascular disorder. As the population grows older, the prevalence of heart disorders involving an auscultatory murmur is expected to rise. Heart valve disorders are potentially dangerous conditions and should be recognized as early as possible in order to offer counselling and treatment before symptoms appear or become grave. Despite the extensive use of echo-cardiography in the western world, cardiac auscultation is still considered an important and cost-effective screening tool to detect patients with valvular diseases.

How was the murmurs recorded?

Recordings were made by fixating four accelerometers (microphones) on the patient’s chest in the following positions: 2nd right intercostal space, 2nd left intercostal space, 4th left intercostal space and 5th left intercostal space (apex), imitating the stethoscopic positions of an auscultatory screening procedure. A computer simultaneously recorded the heart sounds from the positions of the four accelerometers and the patient’s ECG.

Patient consent and validation of the diagnoses?

Patients were recruited and recorded at the cardiology department of a Danish University Hospital. All patients gave informed consent and all diagnoses were verified by echocardiography by an experienced cardiologist before recording.

Scientific publication?

A peer-review article using these recordings to test medical doctors cardiac auscultation skills have been published.

http://www.ncbi.nlm.nih.gov/pubmed/19241211

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