Medical teacher · 2010
The development of a new cardiac auscultation test: How do screening and diagnostic skills differ?
Сравнительное исследованиеСтатьяВалидационное исследованиеНазвание и аннотация: Перевод в очереди
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Nielsen Tommy, Mølgaard Henning, Ringsted Charlotte, Eika Berit
Аннотация
BACKGROUND: Newly qualified doctors are expected to be able to conduct a cardiac auscultation unassisted, but studies show conflicting results regarding cardiac auscultation skills.
METHODS: A two-part test instrument was designed containing innovative recordings of heart sounds from patients with common cardiac murmurs as well as healthy controls. A total number of 109 participants were tested, representing four levels of clinical experience. The content validity of the test instrument was studied by a postal questionnaire to 114 clinical teachers at the University Hospital of Aarhus, Denmark.
RESULTS: A significant correlation was found between level of experience and the ability to diagnose the conditions from which the murmurs originated (r = 0.45, P < 0.0001). No correlation was found between level of experience and the ability to identify persons with cardiac murmurs from healthy controls. All groups showed a tendency to interpret healthy heart sounds as cardiac murmurs.
CONCLUSIONS: Diagnostic ability was found to correlate positively with clinical experience, whereas the ability to distinguish cardiac murmurs from normal heart sounds seems independent of clinical experience.
METHODS: A two-part test instrument was designed containing innovative recordings of heart sounds from patients with common cardiac murmurs as well as healthy controls. A total number of 109 participants were tested, representing four levels of clinical experience. The content validity of the test instrument was studied by a postal questionnaire to 114 clinical teachers at the University Hospital of Aarhus, Denmark.
RESULTS: A significant correlation was found between level of experience and the ability to diagnose the conditions from which the murmurs originated (r = 0.45, P < 0.0001). No correlation was found between level of experience and the ability to identify persons with cardiac murmurs from healthy controls. All groups showed a tendency to interpret healthy heart sounds as cardiac murmurs.
CONCLUSIONS: Diagnostic ability was found to correlate positively with clinical experience, whereas the ability to distinguish cardiac murmurs from normal heart sounds seems independent of clinical experience.