Heart-Shaped Infarct on MRI and Its Implications in Bilateral Medullary Syndrome

Bilateral medullary syndrome (BMS) is an extremely rare and devastating neurological disorder resulting from ischemia or infarction of the medulla oblongata. This case report presents two unique instances of BMS, both leading to fatal outcomes. Case 1 describes a 70-year-old male with a history of systemic hypertension who presented with limb weakness, slurred speech, and dysphagia. An MRI revealed a heart-shaped infarct in the medulla, confirming the diagnosis of BMS. Despite medical intervention, the patient developed quadriplegia and respiratory failure due to aspiration pneumonia and ultimately succumbed to his condition. Case 2 involves a 40-year-old male with poorly controlled diabetes and hypertension, presenting in an unresponsive state after a suspected seizure. MRI findings confirmed bilateral medial medullary stroke. The patient's condition deteriorated in the intensive care unit (ICU), complicated by a urinary tract infection and systemic inflammatory response syndrome (SIRS), leading to his demise. These cases underscore the complexity and severity of BMS, highlighting the need for prompt diagnosis and multidisciplinary management. The heart-shaped infarct seen in Case 1 serves as a radiological hallmark, while Case 2 emphasizes the importance of identifying underlying risk factors such as protein C deficiency. Despite advanced imaging techniques and supportive care, the prognosis for BMS remains poor, with high mortality rates. Further research into novel therapeutic approaches is warranted to improve outcomes in this rare and challenging condition.