Cardiovascular System Lab Report
The cardiovascular system is broken down into two circulatory pathways: systemic circulation and pulmonary circulation. Systemic circulation carries oxygenated blood away from the heart to the body or organs, and then returns deoxygenated blood to the heart. Whereas the pulmonary circulation transports deoxygenated blood from the body or organs to the right side of the heart to the lungs and return oxygenated blood to the left side of the heart (Marieb, Nicpon, and Hoehn, 2013). The cardiac cycle consists of an ejection and a filling stage: systole and diastole, respectively. During the diastolic phase the heart ventricles are relaxed as the heart fills with blood, and blood pressure is the lowest; during the systolic phase the heat ventricles contract and pump blood out of the arteries, and blood pressure is increasing. An electrocardiogram (ECG) is a test which checks for electrical activity problems with the heart over a period of time which is detected by electrodes that are placed on the surface of the body. An ECG …show more content…
The red colored electrode was placed on the right arm, the yellow colored electrode was placed on the left arm, the green colored electrode was placed on the left leg, and the black colored electrode was placed on the right leg. Once the ECG was recorded, it was printed out. Another part of the experiment involved measuring the heart of rate an individual using the cuff of the sphygmomanometer, which was wrapped around the arm above the elbow, and a stethoscope. The valve of the bulb was closed and the cuff pressure was pumped to 20 mm. The screw valve on the bulb was opened slowly and the cuff pressure was allowed to fall at a rate of about 2-3 mmHg per second. The first sound that was heard was recorded as the systolic pressure. As the cuff was deflating, the last sound that was heard was recorded as the diastolic
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702 Words | 3 PagesThe result from both experiments that do not concur with our results is the dramatic increase in heart rate right after
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Cardiovascular System Lab Report
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1164 Words | 5 PagesThe time base and sensitivity of the recording device for registering the ECG were kept at 30 mm/s and 7.5
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