Fig. 6: Four types of lung and heart sound recorded from discharged pneumonia patients. | Microsystems & Nanoengineering

Fig. 6: Four types of lung and heart sound recorded from discharged pneumonia patients.

From: A two-stage amplified PZT sensor for monitoring lung and heart sounds in discharged pneumonia patients

Fig. 6

a Records of a patient with a normal respiratory rate and normal heart rate (#31). b Records of a patient with shortness of breath but a normal heart rate (#3). c Records of a patient with a normal respiratory rate but a high heart rate (#16). d Records of a patient with shortness of breath and a high heart rate (#4). ai, bi, ci, di Lung sounds detected by our sensor; aii, bii, cii, dii Heart sounds recorded by our sensor

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