![]() ![]() However, the collection of the DPCG-s is upgraded regularly. ![]() Those arrhythmias which are not illustrated with DPCGs are marked with black within the text (without audio and video files) e.g., in paragraph six: sinus arrest (Nr. A detailed description and examples of canine cardiac murmurs can be found in the relevant part of this heart sound library. Some recordings also contain cardiac murmurs together with the demonstrated arrhythmia. The audio and video illustrations are labelled with the numbers of the relevant paragraphs of this document, added with numbers of the recording within the text e.g., in paragraph one: normal cardiac rhythm and electrocardiogram (Nr. wav files with the CamStudioTm (from the original Welch Allyn Meditron DPCG video recordings. DPCGs were converted from the original Welch Allyn Meditron. After listening to the audio sound files, the interested user is suggested to listen and observe the DPCG video recordings which can help to memorize the characteristic auscultatory features of the different arrhythmias by watching simultaneously the DPCGs including their synchronized ECG recordings, as a cognitive process. wav files (which contain both the simultaneous ECG and sound channels, however being playable only with the Welch Allyn Meditron software). These audio files were converted by Audacity® ( ) from the original, special Welch Allyn Meditron. It is suggested to first listen to the audio recordings “blindly”. The illustrated digital phonocardiogram (DPCG) diagrams contain simultaneous Einthoven II ECG recordings and the mechanical events (digital phonocardiograms) of the cardiac cycles. General information to the digitalized phonocardiogramsĭigitalized phonocardiograms (DPCG-s) of this collection were recorded by a Welch-Allyn Welch Allyn Meditron System as described by Vörös et al. Leitlinien und Anleitungen Fachdidaktik. ![]()
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