Exam (elaborations)
NUR 339 ( LATEST 2024 / 2025 ) FINAL 1 | QUESTIONS & ANSWERS (SOLVED)
- Course
- Institution
NUR 339 ( LATEST 2024 / 2025 ) FINAL 1 | QUESTIONS & ANSWERS (SOLVED)
[Show more]
Content preview
NUR 339 Fianal 11. Preload
Answer
stretch (length) of LV myocardial fibers at end diastole
2. what determines preload
Answer
venous return
3. Afterload
Answer
resistance to ventricular ejection
4. when are the coronary arteries normally perfused
Answer
during diastole (rest)
5. angina
Answer
chest pain associated with transient myocardial ischemia
6. myocardial ischemia
Answer
decrease in O2 that causes pain but NOT infarction or death
7. how is pain relieved with angina
Answer
rest and/or vasodilators (nitroglycerin)
8. stable angina pain relief
,rest or use of NTG
9. variant angina pain relief
Answer
rest, during sleep, with minimal exercise or stress
10. myocardial infarction
Answer
loss of coronary blood flow and subsequent death of myocardial cells and tissue
11. STEMI (ST Elevation Myocardial Infarction)
Answer
transmural/q-wave-involves full thickness of ventricular wall, most common with obstruction of
single coronary artery (most MI's are transmural and involve LV)
12. non-STEMI (non-ST elevation MI)
Answer
subendocardial/non-Q wave - involves inner 1/3 to 1/2 of ventricular wall - most common when
arteries are severely narrowed but still patent
13. patho of ischemia/MI
Answer
cell changes start with minutes with irreversible cell death after 20-40 minutes
14. area of necrosis
Answer
tissue has died, does not conduct electrical activity or move- will be replace with scar tissue
15. inflammatory response most at risk
Answer
4-7 days, center of infarcted area is soft/weak- may rupture
16. remodeling inflammation response
, lead to hypertrophy, loss of contractility, and heart failure
17. atypical presentation of MI common with
Answer
women and elderly
18. STEMI EKG findings
Answer
ST segment elevation
- necrotic cells become electrically inactive and cell membranes become disrupted
19. cardiac markers
Answer
enzymes and muscle proteins released from myocardial cells as they die
20. troponin
Answer
- begins to rise in 2-6 hours, peak at 12-36 hours, returns to normal in 7-10 days, found only in
heart muscle
- best practice
21. nitroglycerin
Answer
give up to 3 sublingual tabs or spray "doses" every 3-5 minutes for ongoing symptoms
22. what would you monitor while administering mitroglycerin
Answer
BP (vasodilators can lower it)
23. when should nitroglycerin not be given
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller gradexam. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
71498 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now