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A phonocardiogram (or PCG) is a plot of high-fidelity recording of the sounds and murmurs made by the heart with the help of the machine called the phonocardiograph; thus, phonocardiography is the recording of all the sounds made by the heart during a cardiac cycle.
Information from its description page there is shown below. ... Heart diagram with labels in English. Blue components indicate de-oxygenated blood pathways and red ...
A Wiggers diagram, named after its developer, Carl Wiggers, is a unique diagram that has been used in teaching cardiac physiology for more than a century. [1] [2] In the Wiggers diagram, the X-axis is used to plot time subdivided into the cardiac phases, while the Y-axis typically contains the following on a single grid: Blood pressure. Aortic ...
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Murmur Description 1 Only audible on listening carefully for some time 2 Faint but immediately audible on placing the stethoscope on the chest 3 Loud, readily audible but with no palpable thrill. [10] 4 Loud with a palpable thrill. 5 Loud with a palpable thrill. So loud that it is audible with only the rim of the stethoscope touching the chest. 6
There are a number of interventions that can be performed that alter the intensity and characteristics of abnormal heart sounds. These interventions can differentiate the different heart sounds to more effectively obtain a diagnosis of the cardiac anomaly that causes the heart sound. [citation needed]