A nurse is providing patient teaching to a patient who has been experiencing unstable angina. What will the nurse's explanation of this condition include?
A) A coronary vessel has become completely occluded and is unable to deliver blood to your heart.
B) The pain is caused by a spasm of a blood vessel, not just from the vessel narrowing.
C) There is serious narrowing of a coronary artery that is causing a reduction in oxygen to the heart.
D) Your body's response to a lack of oxygen in the heart muscle is pain.
C
Feedback:
Unstable angina is described as increased narrowing of coronary arteries with the heart experiencing episodes of ischemia even at rest. If a coronary vessel is completely occluded and unable to deliver blood to the cardiac muscle, a myocardial infarction has occurred. Prinzmetal's angina is an unusual form of angina caused by spasm of the blood vessel and not just by vessel narrowing. Although pain is the body's response to ischemia in the heart muscle, this description could encompass angina or a myocardial infarction and is not specific enough to explain the condition.
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