An unusual complication of exercise echocardiography.

acute heart failure. Percutaneous treatment with dilation of the coartation and stenting was decided upon, with good results. In our area,more than 90%–95% of heart failure cases are due to ischemic heart disease, hypertension, arrhythmias and valvular disease, but on occasion, as with this patient, the unexpected may happen. In this case, and contrary to all statistics and initial data, the sound of hoofbeats were those of a zebra and not of a horse.