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[DOC File]Now What Do I Do
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_____ There is a blockage of blood flow from the heart to the lungs. This results in a ventilation-perfusion mismatch and impaired gas exchange. The pain is often sharp and accompanied by tachycardia and tachypnea. _____ A thrombus lodges itself in one of the coronary arteries and blocks blood flow to a portion of the left (or right) ventricle.
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[DOC File]Chapter 18 - Cardiovascular System: The Heart
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left ventricle - aortic semilunar valve - aorta - all parts of body – veins - superior/inferior vena cava - right atrium. H. Coronary circulation. 1. right and left coronary arteries. a. provide functional blood supply of heart. b. branch from root of aorta. c. left coronary artery …
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[DOCX File]Chapter 20
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Right ventricle wall is thinner, develops less pressure than left ventricle . Right ventricle is pouch-shaped, left ventricle is round. 20-1 Anatomy of the Heart. The Heart Valves. Two pairs of one-way valves prevent backflow during contraction. ... If the blockage …
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[DOC File]BIO 350 FINAL EXAM FALL 2003 - University of Kentucky
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21. The figure below illustrates the changes in pressure in the left atrium, ventricle, and aorta over the time of 1 heart beat. Choose the answer which best describes what is occurring at point Z (marked on the graph) the aortic valve has opened. the atrioventricular valve has opened. the blood in the aorta is back flowing into the ventricle
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[DOCX File]Heart - Home | Georgia Highlands College
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C) Cone-shaped – apex facing left hip. D) Main function is to pump blood. 2. Coverings of the heart. A) Surrounded by the pericardium – dual-walled structure. 1) Fibrous pericardium. a) Protects heart. b) Anchors it to surrounding structures. c) Prevents overfilling. 2) Serous pericardium. a) 2 layers. i) Parietal layer (a) Attached to ...
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[DOC File]Design of a Mechanical Model for Pulsatile Aortic Flow
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The left ventricle attaches to the aorta, which, as mentioned previously, is the largest artery in the body. The left ventricle supplies blood to the body. The right atrium receives the blood returning from the veins in the body via the superior vena cava.
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[DOC File]Localizing Infarcts On a 12-Lead EKG
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Look at the diagram: see how V1 & V2, which are in the middle of the EKG, also are in the “middle” of heart or “septum”. The anterior left ventricle, perfused by the . Left Anterior Descending (LAD) is seen by leads V2 (“septal overlap”) V3 & V4. Therefore, LAD . blockage causes an anterior wall MI. The septum perfused by both the ...
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[DOC File]Sheep Heart Dissection Lab - Warren County Public Schools
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right atrium, right ventricle, left atrium, left ventricle, coronary . arteries. 3. Examine the dorsal surface of the heart (Figure 36.5). Locate the stumps of two relatively thin-walled blood vessels that enter the right atrium. Demonstrate this connection by passing a slender probe through them.
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[DOC File]The functioning of the heart plays a central role in the ...
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5 The table shows changes in the volume of blood in the left ventricle over a period of one second. ... A myocardial infarction occurs from a blockage in the coronary artery – if this happens between aorta and coronary artery the heart will stop beating because its blood supply has been completely cut off.
left ventricular artery blockage

[DOC File]Chapter 19: The Cardiovascular System: Blood Vessels
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Pressure falls steadily in systemic circulation with distance from left ventricle (Fig 21.8) 35 mm Hg entering the capillaries. 0 mm Hg entering the right atrium. Factors that affect blood pressure (Fig 21.10) Cardiac output – heart rate and force of contraction. Blood volume. If decrease in …
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Blockage of the left ventricle