You are working in the emergency department (ED) when a patient arrives, complaining of substernal and left arm discomfort that has been going on for 3 hours. All of these baseline laboratory tests are drawn. Which one will be most useful in determining whether you should anticipate implementing the acute coronary syndrome (ACS) standard orders? *1 pointA. Creatine kinase-MBB. Troponin IC. MyoglobinD. C-reactive protein
Question
You are working in the emergency department (ED) when a patient arrives, complaining of substernal and left arm discomfort that has been going on for 3 hours. All of these baseline laboratory tests are drawn. Which one will be most useful in determining whether you should anticipate implementing the acute coronary syndrome (ACS) standard orders? *1 pointA. Creatine kinase-MBB. Troponin IC. MyoglobinD. C-reactive protein
Solution
The most useful baseline laboratory test in determining whether to anticipate implementing the acute coronary syndrome (ACS) standard orders in this case would be B. Troponin I.
Here's why:
Troponin I is a protein found in heart muscle and is released into the blood when there is damage to the heart. In the context of a patient with substernal and left arm discomfort, an elevated Troponin I level would suggest that the heart muscle may be injured, indicating a possible heart attack.
Creatine kinase-MB, Myoglobin, and C-reactive protein can also be elevated in heart damage, but Troponin I is more specific to the heart and remains elevated for a longer period, making it the most useful in this scenario.
Therefore, if the Troponin I levels are elevated, you should anticipate implementing the acute coronary syndrome (ACS) standard orders.
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