Abstract
Routine fetal heart examination is performed in the obstetric office using a portable continuous Wave Doppler (CWD) device [ [1] Brown A.D. Robertson J.G. The ultrasonic Doppler cardioscope in obstetrics. J Obstet Gynaecol Br Commonw. 1968 Jan; 75: 92-96 Crossref PubMed Scopus (5) Google Scholar ], which produces sounds but not images. We explored the heart in adult patients using this method and we found it to be surprisingly informative. We decided then to define cardiac auscultation points and typical auditive patterns for the procedure. After that, we compared this method with classic auscultation (CA) in cardiologic patients, using color Doppler echocardiography (CDE) as a gold standard.
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