Sheehan's syndrome presenting as massive pericardial effusion, ventricular tachycardia and diabetes insipidus.

Sheehan's syndrome (SS) is characterised by pituitary necrosis resulting from postpartum haemorrhage. While SS is uncommon in developed nations, it remains a prevalent cause of hypopituitarism in women, particularly in low/middle-income countries. Clinically, SS is characterised by a deficiency in anterior pituitary hormones; involvement of the posterior pituitary is less common. SS presenting as cardiac tamponade is rare, with only a few reported cases in the literature. In this report, we present the case of a patient with SS who arrived at the emergency department with symptoms of light-headedness, palpitations and dyspnoea. Echocardiography revealed a massive pericardial effusion with cardiac tamponade, and during treatment, the patient experienced ventricular tachycardia and circulatory collapse. The collaboration between various medical specialties, including emergency medicine, cardiology, critical care, endocrinology and radiology, played a crucial role in successful patient management. The multidisciplinary approach allowed for comprehensive care addressing acute cardiac complications and underlying hormonal deficiencies.

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Competing interests: None declared.