Conclusion:
The case of our patient emphasizes the importance of routine meticulous prenatal ECHO screening. This may help identify pathologies such as intrapericardial masses early enough for an intervention. There is ample evidence that early identification of these conditions allow for effective interventions at the prenatal and post-natal period2,5,8. Our case highlights the importance for early identification as it is likely that our patient had evidence of a pericardial mass in-utero as most pericardial teratomas are present as early as 21 weeks gestation5,8. Furthermore, untreated or undiagnosed intrapericardial masses could present with sudden cardiac arrest as in our case, which could have a devastating outcome if not treated immediately.