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Heart Sound & BP 7.5_7.6_7.7

Heart Sound & BP 7.5_7.6_7.7 - Heart Sounds Blood...

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Heart Sounds, Blood Pressure & Electrocardiography Remon Wahba, MD
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The Heart The Heart has Four Chambers Two Atria Two Ventricles
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The Heart The Heart contains FOUR valves which allow blood to flow in One Direction only: Atrioventricular (AV) Valves Tricuspid Bicuspid (Mitral) Semilunar Valves Pulmonary Aortic
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Heart Valves Tricuspid: Between the Right Atrium Right Atrium and the Rt. Ventricle Rt. Ventricle Bicuspid (Mitral): Between the Left Atrium Left Atrium and the Left Ventricle Left Ventricle Pulmonary: Between the Right Ventricle Right Ventricle and The Pulmonary Artery The Pulmonary Artery Aortic: Between the Left Ventricle Left Ventricle and the Aorta Aorta
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Heart Sounds Heart sounds are produced by closing of Atrioventricular & Semilunar valves Can be heard using a Stethoscope Lub (1st sound) Produced by closing of AV Valves Heard over the Apex of the Heart Dub (2nd sound) Produced by closing of Semilunar Valves Heard at the second intercostal space 13-44
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13-43
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Electrocardiogram (ECG/EKG) Is a recording of electrical activity of heart conducted through ions to body surface Fig 13.22a 13-60
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EKG Recordings Bipolar leads record voltage between electrodes placed on
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