Atypical variant takotsubo cardiomyopathy secondary to pheochromocytoma.

A 39-year-old woman presented with chest pain and elevated troponin levels. Cardiac catheterization demonstrated no coronary artery disease, with findings consistent with atypical variant takotsubo cardiomyopathy. Further workup showed elevated plasma fractionated metanephrines suggestive of pheochromocytoma.