Figure 1
Initial electrocardiogram upon arrival.
Figure 2
Transthoracic echocardiogram with a parasternal long-axis view that demonstrates a preserved left ventricular ejection fraction with no pericardial effusion.
Video 1
Transthoracic echocardiogram showing a parasternal long-axis view. https://youtu.be/_UGS9V5PvoE
Video 2
Transthoracic echocardiogram showing an apical four-chamber view. https://youtu.be/K1s9sI8ckvQ
Video 3
Transthoracic echocardiogram showing an apical two-chamber view. https://youtu.be/C5lkhG20SoY
Figure 3
Subsequent electrocardiogram after initiation of treatment.