<prompt> The given ECG showsHypertrophic cardiomyopathyPulmonary embolismPericardial effusionAnterior wall MI  <response>: Ans. B. Pulmonary embolism The given ECG shows changes corresponding with pulmonary embolism. Changes are- Sinus tachycardia- S1Q3T3 pattern T-wave inversion in III- Incomplete RBBB- Right precordial T-wave inversions Consistent with acute RV overload in a patient with pulmonary emboli 