case_images: PMC11808341_01
case_images: Initial electrocardiogram (EKG) interpreted as sinus tachycardia with ST-segment elevations in multiple leads (leads I, II, aVL, V2, V3, V4, V5, and V6) and ST-segment depression in aVR consistent with pericarditis
case_images: cureus-0017-00000077205-i01.jpg
case_images: PMC11808341_01_cureus-0017-00000077205-i01.jpg
case_images: FIG1
case_images: The EKG showed diffuse ST segment elevations in leads I, II, aVL, V2, V3, V4, V5, and V6, with depressions only in augmented vector right (aVR), prompting suspicion of pericarditis or myocarditis (Figure 1). The ECHO revealed a large pericardial effusion (Figure 2, Video 1) with systolic collapse of the right atrium (RA) and diastolic collapse of the right ventricle (RV).
case_images: Apical four-chamber view with large pericardial effusion (*) causing systolic collapse (arrow) of the right atrial (RA) wall consistent with tamponade
case_images: cureus-0017-00000077205-i02.jpg
case_images: PMC11808341_01_cureus-0017-00000077205-i02.jpg
case_images: FIG2
case_images: The ECHO revealed a large pericardial effusion (Figure 2, Video 1) with systolic collapse of the right atrium (RA) and diastolic collapse of the right ventricle (RV).
case_images: Apical four-chamber view with notable pericardial effusion
case_images: .jpg
case_images: PMC11808341_01_.jpg
case_images: VID1
case_images: The mitral valve and tricuspid valve in-flow velocities (Figure 3) demonstrated inspiratory and expiratory variations greater than 25% and 40%, respectively, suggestive of tamponade physiology.