The most appropriate initial imaging for suspected pulmonary embolism is:

A Chest X-ray

B CT pulmonary angiography (CTPA)

C MRI

D Echocardiogram

✓ Correct Answer: Option B

PE workup: calculate Wells score → if likely, CTPA (gold standard imaging). D-dimer can rule out if low probability. CTPA shows filling defects in pulmonary arteries. V/Q scan if contrast contraindicated.

💡 Why is B) the correct answer?

The correct answer to the question "The most appropriate initial imaging for suspected pulmonary embolism is:" is Option B: CT pulmonary angiography (CTPA).

The other options — A) Chest X-ray, C) MRI, D) Echocardiogram — are incorrect for this USMLE Exam Prep question. As explained above: PE workup: calculate Wells score → if likely, CTPA (gold standard imaging). D-dimer can rule out if low probability. CTPA shows filling defects in pulmonary arteries. V/Q scan if contrast contraindic…

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This 2-level USMLE Exam Prep question from the Step 2 CK - Clinical Knowledge topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free USMLE Exam Prep practice test or use flashcards for spaced repetition review.

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The most appropriate initial imaging for suspected pulmonary embolism is:

✓ Correct Answer: Option B

📚 About This USMLE Exam Prep Practice Question

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