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Nr 507 Midterm Advanced Pathophysiology Review Question Set With Accurate Answers

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Nr 507 Midterm Advanced Pathophysiology Review Question Set With Accurate Answers

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NR 507 MIDTERM ADVANCED PATHOPHYSIOLOGY REVIEW
QUESTION SET WITH ACCURATE ANSWERS

◉ cor pulmonale
Answer: right-sided heart failure


◉ right sided heart failure
Answer: inability of the right ventricle to provide adequate blood flow into the pulmonary circulation


◉ Causes of right sided heart failure
Answer: - pulmonary disease
- pulmonary hypertension
- RV MI
- RV Hypertrophy

,- pulmonary SLV or tricuspid valve damage
- secondary to left heart failure


◉ What is the most common cause of right sided heart failure
Answer: pulmonary hypertension


◉ Progression of right sided heart failure
Answer: - damage causes the right ventricle to increase contraction force to eject/unload the blood


- over time EF is reduced and right ventricle us unable to eject the normal amount of blood


- the blood remaining in the RV increases and RA preload increases until the RA is unable to eject the
normal amount of blood into the RA


- the amount of blood remaining in the right atrium increases causing an increase in RA preload

, - blood volum enad pressure then backs up into the vena cava and systemic veins


◉ signs and symptoms of right sided heart failure
Answer: jugular vein distension
hepatosplenomegaly
peripheral edema


◉ Why does hepatosplenomegaly develop in right sided heart failure
Answer: the large volume of blood flow through the liver and spleen causes these areas to be engorged


◉ why does peripheral edema occur in right sided heart failure
Answer: Increased pressure forces fluid from the systemic capillaries into the peripheral tissues and
flood those areas

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