case_images: PMC11748387_01
case_images: Shows EMS ECG showing right heart strain pattern with RBBB and S1Q3T3 pattern.
case_images: omae165f1.jpg
case_images: PMC11748387_01_omae165f1.jpg
case_images: f1
case_images: An initial ECG performed by EMS demonstrated an RBBB with an S1Q3T3 pattern (Fig. 1A and B).
case_images: Shows normal ECG after the RV strain disappeared.
case_images: omae165f2.jpg
case_images: PMC11748387_01_omae165f2.jpg
case_images: f2
case_images: However, subsequent ED ECGs were normal without RBBB and S1Q3T3 (Fig. 2).
case_images: (A,B,C,D,E) shows filling defects in CT pulmonary angiogram.
case_images: omae165f3.jpg
case_images: PMC11748387_01_omae165f3.jpg
case_images: f3
case_images: Troponin and high inflammatory markers (Table 1). The patient underwent a computed tomography pulmonary angiogram (CTPA), showing acute PE with filling defects in the right main pulmonary artery, its branches, the descending left pulmonary artery, and one of the upper lobe branches (Fig. 3A-E).