The most likely clinical sign of a pulmonary embolism is sudden onset dyspnea (difficulty breathing). Dyspnea occurs due to the obstruction of a large pulmonary artery, which impairs gas exchange. Hemoptysis (coughing up blood) and wheezing can be associated with other conditions but are not the primary clinical signs of a pulmonary embolism.
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This question's topic:
BCEN Certified Flight Registered Nurse (CFRN) /
Medical Emergencies
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