1 MCQs in Medicine for NEET PG
A 58-year-old woman presents to the emergency department with acute onset dyspnea, pleuritic chest pain, and tachycardia. She has unilateral left calf swelling and tenderness. An ECG is obtained and shows the pattern marked **B** in the diagram. Which of the following pathophysiological mechanisms BEST explains the ECG findings observed in this patient?
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