Exercise - Heart Rate 120 | Auscultation #12 | Lesson with Audio

patient thorax when auscultating by stethoscope

patient position during auscultation
The patient was standing during auscultation.

Description

Exercise increases heart action. This increases the heart rate and the intensity of the first heart sound. At 120 beats per minute the durations of systole and diastole are about equal. Other conditions, such as stress, elevated temperature and hyperthyroidism can also increase the intensity of the first heart sound. When these conditions are alleviated, the first heart sound returns to normal. The heart sounds are best heard using the diaphragm of the stethoscope.

Phonocardiogram

Anatomy

Exercise - Heart Rate 120


Authors and Sources

Authors and Reviewers

Sources


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