BACKGROUND: COVID-19 has caused a global pandemic of unprecedented proportions. Elective cardiac surgery has been universally postponed with only urgent and emergency cardiac operations being performed. The National Health Service in the United Kingdom introduced national measures to conserve intensive care beds and significantly limit elective activity shortly after lockdown. CASE PRESENTATION: We report two cases of early post-operative mortality secondary to COVID-19 infection immediately prior to the implementation of these widespread measures. CONCLUSION: The role of cardiac surgery in the presence of COVID-19 is still very unpredictable and further studies on both short term and long term outcomes are warranted.