NR 545 EXAM 3 LATEST ACTUAL EXAM STUDY GUIDE WITH QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
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Course
2024/2025
Institution
2024/2025
NR 545 EXAM 3 LATEST ACTUAL
EXAM STUDY GUIDE WITH QUESTIONS AND
CORRECT ANSWERS WITH RATIONALES
What is Angina? - Answer️️ -Angina, or angina pectoris, is often described as chest
pain usually precipitated by stress or exertion and relieved rapidly with rest or nitrates.
Those with angina...
What is the patho of a Myocardial Infarction? - Answer✔️✔️-During a myocardial
infarction there is an imbalance between myocardial oxygen supply and demand.
Prolonged ischemia (>30 minutes) from the lack of circulating blood flow to the
myocardium results in cellular death, further impacting the heart's ability to function.
Depending on the extent of the cell death, the heart might have decreased contractility
resulting in wall function abnormalities further placing the patient at risk for
decompensation.
What are the symptoms of a Myocardial Infraction? - Answer✔️✔️-- Sharp radiating pain
(Even at rest)
- Light-headed or have increased feelings of anxiety or impending doom.
- Nausea (more common in right coronary artery occlusion)
- Vomiting
- Diaphoresis
- Syncope
- Dyspnea
- Orthopnea
- Wheezing
What lab test are needed for a Myocardial Infraction? - Answer✔️✔️-- Troponins
- CK-MB
- An ECG will often demonstrate ST-segment elevation or new left bundle
branch block.
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