case_images: PMC9164917_01
case_images: Electrocardiography of the patient showing inferior wall myocardial infarction
case_images: JCE-32-54-g001.jpg
case_images: PMC9164917_01_JCE-32-54-g001.jpg
case_images: F1
case_images: An urgent ECG was obtained which revealed an acute inferior wall myocardial infarction [Figure 1].
case_images: Echocardiography image depicting right ventricular alternans
case_images: JCE-32-54-g002.jpg
case_images: PMC9164917_01_JCE-32-54-g002.jpg
case_images: F2
case_images: However, the tricuspid regurgitation velocity showed marked beat-to-beat variation, alternating with every alternate beat suggestive of tricuspid regurgitation alternans [Figure 2].