Following acute traumatic brain injury, cerebral salt wasting (CSW) syndrome is considered as an important cause of hyponatremia apart from syndrome of inappropriate antidiuretic hormone. Differentiation between the two syndromes is crucial for the initiation of an adequate treatment. So we report a pediatric case.

Chest CT angiography is considered as the gold standard for the diagnosis of acute pulmonary embolism. However, echocardiography could be useful especially in cases of high suspicion with normal CT scan or for patient with hemodynamic instability.