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NU 606: MIDTERM EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS) $10.99
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NU 606: MIDTERM EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)

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NU 606: MIDTERM EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)NU 606: MIDTERM EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)NU 606: MIDTERM EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)NU 606: MIDTERM EXAM QUESTIONS AND ANSWERS UPDATED (2024...

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  • December 11, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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DoctorKen
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NU 606: MIDTERM EXAM QUESTIONS
AND ANSWERS UPDATED (2024/2025)
(VERIFIED ANSWERS)


Rheumatic aortic stenosis - ANS ✓-tissue inflammation r/I adhesions and

fusing of the commissures

-fibrosis and calcification of the leaflet tips can occur bc of continued turbulent

flow

-develop s/s b/w ages 30-70

-often valves are also regurgitant

-mitral valve disease may also be present



Degenerative aortic stenosis - ANS ✓-leaflets become inflexible bc calcium

deposits at eh bases

-leaflet tips remain relatively normal

-pt's usually over 70, particularly present in pt's with DM or high cholesterol



aortic stenosis - ANS ✓-Aortic valve area: <0.8cm2; left ventricle thickened

-s/s: chest pain, syncope, CHF




NU 606

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NU
-clinical presentation: decreased and late carotid upstroke, apical impulse

displaced laterally and sustained, positive S4, mid systolic murmur, murmur on

right carotid



aortic regurgitation - ANS ✓-patho: a volume overload on the left ventricle bc

during diastole blood enters the ventricle from left atrium and aorta; "eccentric

hypertrophy"; aortic pulse pressure widens; aortic valve doesn't close tightly so

blood leaks backwards

-s/s: fatigue, SOB

-PE: hyperdynamic pulses, murmurs, S3, apical impulse displaced laterally



mitral stenosis - ANS ✓-etiology: rheumatic heart disease, congenital lesion or

calcium deposits, atrial masses or myxoma

-patho: mitral valve is bicuspid, valve area <1cm2, elevated pulmonary venous

pressure and elevated right-sided pressures, dilatation and reduced systolic

function noted in pt's with advanced MS

-PE: opening snap may be heard in early diastole, rales



etiology of acute mitral regurgitation - ANS ✓-ruptured chord tendinae:

infective endocarditis, trauma, acute rheumatic fever, "spontaneous"

-ruptured or dysfunctional papillary muscles: ischemia, MI, trauma, myocardial

abscess

-perforated leaflet: infective endocarditis, trauma


NU 606

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