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A nurse in an emergency department is caring for a client who reports substernal chest pain and dyspnea. The client is vomiting and is diaphoretic. Which of the following laboratory tests are used to diagnose a myocardial infarction? (Select all that apply.)

A.

Myoglobin

B.

Plasma low-density lipoproteins (LDL)

C.

Troponin T

D.

Troponin I

Answer and Explanation

Correct Answer : A,C,D

A. Myoglobin is an early biomarker for myocardial injury and can be used for initial detection of myocardial infarction. However, it is less specific than troponins.
B. Plasma low-density lipoproteins (LDL) are associated with cardiovascular risk but are not used to diagnose an acute myocardial infarction.
C. Troponin T is a highly specific biomarker for myocardial infarction and is used to confirm the diagnosis of an MI.
D. Troponin I is another highly specific biomarker for myocardial infarction and is used to confirm the diagnosis of an MI.
 


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Related Questions

Correct Answer is ["A","B","C","D"]

Explanation

A. Skeletal pain: Paget's disease of the bone often results in bone pain due to the excessive breakdown and regrowth of bone tissue.
B. Waddling gait: The disease can cause leg bones to bend, leading to a waddling gait.
C. Cranial enlargement: Overgrowth of bone in the skull can occur, potentially leading to cranial enlargement.
D. Vision deficits: When Paget's disease affects the skull, it can put pressure on nerves, possibly leading to vision deficits.
E. Cold extremities: This is not a typical symptom of Paget's disease of the bone and is therefore not a correct answer. Cold extremities are more commonly associated with peripheral vascular diseases rather than Paget's disease.

Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"B"},"D":{"answers":"A"},"E":{"answers":"A"},"F":{"answers":"A"}}

Explanation

  • Obtain intravenous access: Anticipated: Essential for administering medications, fluids, and potential emergency treatments.
  • Thoracentesis: Non-essential: Typically used for pleural effusions, not primary treatment for pneumothorax; chest tube insertion is the main treatment.
  • Pulmonary Function Tests (PFTs): Non-essential: Useful for diagnosing chronic respiratory conditions but not a primary intervention for pneumothorax.
  • Prepare for insertion of a chest tube: Anticipated: A chest tube is often necessary to re-expand the lung and treat a significant pneumothorax.
  • Obtain ABGs: Anticipated: Important for assessing the client’s oxygenation and acid-base balance due to respiratory distress.
  • Computed tomography (CT) of the chest: Anticipated: CT can be used to diagnose the extent of the pneumothorax and guide treatment.

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