Nursing 3920A/B Lecture 2: 3920- Week 2
15 Jan 2018
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Outline: cardiac anatomy, gross anatomy, valves, coronary circulation, electrical conduction, healthy heart, cardiac conditions, hypertension, cad, acute coronary syndrome (mi, pericarditis, arrhythmias, congenital. Anatomy 101: 4 chambered, 3 layered, epicardium (outermost layer, myocardium, endocardium, 2 circuit, pulmonary, systemic, 1 job. Cardiac output: amount of blood pumped by heart per minute. Pressure from atrium to ventricle: frank-starling mechanism, muscle contraction, muscle relaxation, muscle stretching, how much something stretches and its response to the stretch, limit to the amount of stretch can lose contractility, ex. Under pressure: normal bp 120/80 pressure heart can generate on the left side, 20/12 pressure heart can generate on the right side, two different circuits, two different pressures. Heart sounds: normal, s1 and s2, third sound, s3, s4. Day; pauline paul; bev williams; suzanne c. smeltzer; brenda bare: http://www. cvphysiology. com/blood%20flow/bf001. 1mm; each large box equals 0. 5 mv and measures 5 mm.
