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Extra Heart Sounds (S3 and S4)

This course will teach you about auscultation of the third and fourth heart sounds. Before you take this course you should have finished the Normal, First, and Second Heart Sound courses. You should feel comfortable with the material presented.

Contributor(s)

Heart and Lung Sounds Contributors: Dr. Jonathan Keroes, MD (Johns Hopkins), Cardiologist (ret.), David Lieberman, Heart Sound Simulation Consultant; Diane Wrigley, Physician Assistant and national CME instructor. Editorial review by Dr. Barbara Erickson, Author and Editor.

Using this course

Each lesson in this course includes text describing the heart or lung abnormality and a simulated torso indicating the stethoscope chestpiece location. An audio recording of the sound is provided. Phonocardiograms or waveforms are included with each lesson. These waveforms can be a highly useful aid in learning to recognize heart murmurs. In addition, short videos clips illustrate the heart's motion for each abnormality. These animations indicates the origin of each murmur. Blood flow is also animated. For lung sounds, the source (location) of the sound can be revealed.

After completing a lesson, use the lesson table of contents to navigate to another lesson.

When all lessons have been completed, we recommend using the auscultation practice exercises or quiz. In order to gain a certificate of achievement, please complete the course lessons and practice drill during one session. Most users complete the coure's lessons and drill in 30-45 minutes.

Extra Heart Sounds (S3 and S4) Course
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