Cardiac auscultation simulator embedded in virtual learning environment to support medical teaching

Isaias Oliveira1, Zilma Silveira N Reis1, Marilene M Araújo2

  • 1School of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.

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Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
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Abnormal Heart Sounds
Gallops:
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Heart sounds are generated by the turbulence in blood flow due to the closing of heart valves. These sounds are best perceived slightly away from the valves, where the blood flow disseminates the sound.
Auscultation is the process of listening to these internal body sounds using a stethoscope. The heart produces four types of sounds, but only two—S1 and S2—can usually be heard with a stethoscope.
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