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Cardiac PathoMedical-Surgical Nursing-7th edition

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Page 15
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Question Answer
Veins store _______% of total blood volume.
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60%
Valves become incompetent and the blood is able to pool in one area and doesn't move forward well...
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varicose veins
What are the cardinal symptoms of heart failure?
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Dyspnea, fatigue, edematous.
What are risk factors for primary hypertension?
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Family history, age, smoking, obesity, alcohol, gender (lower risk for women before menopause), increased dietary sodium, decreased intake of K+, Mg, Ca+, and metabolic syndrome.
How is sustained V-tach treated and why?
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Treated with a defibrillator, gets atria to fire. Life-threatening rhythm causing no perfusion, possible to get no BP and pulse. *Will die without treatment.
You cannot draw blood from an arm with...
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IV or shunt
What is contractility?
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The ability of cardiac cells to respond to electrical impulses by squeezing (contracting) the heart.
What is the primary cause of a pulmonary embolism?
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DVTs
_______ per 1,000 live births have congenital heart disease.
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4 to 8 per 1,000
What is sinus bradycardia?
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The SA node is firing slowly; effects cardiac output because heart rate is low. *Not treated unless patient is symptomatic.
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What is automaticity?
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The cardiac cells ability to initiate impulses spontaneously and repetitively, nothing tells them to fire (like the brain).
Dysrhythmias can originate in the _______ or _______.
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atria or ventricles
How many pulses per minute originate in the SA node?
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60-100 bpm
What is the root problem- causer with atherosclerosis?
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Fats and fibrin deposits harden on the vessel walls.
Atherosclerosis is a _______ disease. If you have it in one place, it's _______.
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systemic and chronic; everywhere
Arteriosclerosis is a _______ disease characterized by _______ of the vessel walls.
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chronic; hardening of walls
What are the 3 BP measurements used to monitor for orthostatic hypotension?
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Laying down, sitting up and standing up.
_______ hypertension is caused by a disease process like kidney or thyroid disorders.
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Secondary hypertension
What are premature complexes?
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Something in the heart makes the nodes fire early; palpitation and skipping a beat .
Clot stuck to the wall of a vessel...
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thrombus
True or False? Decreased LDL can cause regression of atherosclerotic lesions and improve endothelial function.
Show Answer
False. Anything that is there is irreversible.
  
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