Exam (elaborations)
ISCHEMIC HEART DISEASE CHAPTER 11 TEST QUESTIONS AND ANSWERS
- Course
- Institution
ISCHEMIC HEART DISEASE CHAPTER 11 TEST QUESTIONS AND ANSWERS...
[Show more]
Content preview
ISCHEMIC HEART DISEASE CHAPTER 11TEST QUESTIONS AND ANSWERS
Aka coronary artery disease (CAD), atherosclerosis or hardening of the
arteries. - ANSWER ischemic heart disease
For the heart to function properly and efficiently, the supply of O2 blood
(via the coronary arteries) must - ANSWER meet the demand placed
on the heart
An occluded coronary artery slows or blocks the blood supply to the
heart, demand exceeds supply, and the corresponding heart wall
progresses through what three stages? - ANSWER ischemia, injury
and acute myocardial infarction (MI)
Ischemia is caused by - ANSWER increased demand, decreased
supply or both.
Injury to the myocardial cell occurs when - ANSWER the ischemic
process is more severe
_______ occurs when myocardial ischemia exceeds the heart's
threshold, for an extended period and results in irreversible myocardial
cell damage or death (necrosis). - ANSWER acute MI/ heart attack
Most MI"s occur in - ANSWER early morning, during excessive
physical activity or both.
MI severity depends on - ANSWER level of occlusion, duration of
occlusion and the presence of collateral circulation.
MI classification systems - ANSWER EKG
Anatomic
Clinical
EKG systems (2 types) - ANSWER stemi and nstemi
, 70%. plaque rupture causes complete occlusion of an already
atherosclerotic major coronary artery. - ANSWER Stemi (ST-segment
elevation MI)
30%. Partial occlusion of an already atherosclerotic major coronary
artery or complete occlusion. - ANSWER nStemi (non-ST-segment
elevation MI)
Anatomic systems (2 types) - ANSWER transmural MI and
nontransmural MI
6 key risk factors of IHD - ANSWER hyperlipidemia
diabetes mellitus
HTN
tobacco use
male
family history
Changes in the intimal lining of the arteries. It begins as a fatty streak,
builds fibrous plaque, and then becomes a complicated lesion that can
completly block off an artery. - ANSWER atherosclerosis
Result of sudden formation of a clot or a piece of plaque that breaks off
and blocks a coronary artery. - ANSWER coronary artery thrombosis
Causes temporary coronary artery obstruction. It is linked to spasms in
other arteries (similar to a migraine or Raynaud syndrome), chronic
allergies, smoking, heavy consumption of alcohol, menstruations, some
chemotherapy or low magnesium. - ANSWER coronary artery spasm
Caused by partial or total blockage of a coronary artery, coronary
spasm, cardiac valve pathology, low CO state, irregular rhythm,
pulmonary embolism, hypotension or shock. - ANSWER decreased
coronary blood flow
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 luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75057 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now