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IHD - ISCHEMIC HEART DISEASE ECHO CHAPTER 11 QUESTIONS AND ANSWERS
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IHD - ISCHEMIC HEART DISEASE ECHO CHAPTER 11 QUESTIONS AND ANSWERS...
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IHD - ISCHEMIC HEART DISEASEECHO CHAPTER 11 QUESTIONS AND
ANSWERS
When a coronary artery occlusion slows or blocks the blood supply, the demand
placed on the heart exceeds the supply, and the myocardium that is fed by that
artery progresses through three stages. What are they?
A. Infarction, injury and ischemia
B. Injury, infarction and ischemia
C. Injury, ischemia and infarction
D. Ischemia, injury and infarction - ANSWER D. Ischemia, injury and
infarction
True or False?
MI occurs when myocardial ischemia exceeds the heart's threshold , for an
extended period, and results in irreversible myocardial cell damage or death. -
ANSWER True
True or False?
Myocardial cell injury occurs when the ischemic process is more severe. -
ANSWER True
___________ is a ST-segment elevation MI and accounts for ___________ of
all MI's.
A. NSTEMI/ 30%
, B. NSTEMI/ 70%
C. STEMI/ 30%
D. STEMI/ 70% - ANSWER D. STEMI/ 70%
_____________ MI is a subendocardial MI that does not extend the entire
thickness of the heart wall.
A. Type 1
B. Type 3
C. Non-transmural
D. Transmural - ANSWER C. Non-transmural
___________ MI is associated with sudden death.
A. Type 1
B. Type 2
C. Type 3
D. Type 4 - ANSWER C. Type 3
In order for the heart to function properly and efficiently, the ___________ of
oxygenated blood to the heart must equal the __________ placed on the heart.
A. Flow/ supply
B. Demand/ supply
C. Supply/ demand
D. Supply/ flow - ANSWER C. Supply/ demand
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