1 MCQs in Medicine for NEET PG
A 58-year-old man presents to the emergency department with acute-onset dyspnea and pleuritic chest pain. An ECG is obtained and shows the findings marked in the diagram. The structure marked **A** in the diagram represents the most common ECG finding in pulmonary embolism. However, the clinical team notes that this finding alone is highly non-specific. Which of the following best explains why this finding has limited diagnostic utility in confirming pulmonary embolism?
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