Biventricular takotsubo syndrome.

Kato K Department of Cardiology, University Heart Center, University Hospital Zurich, Raemistrasse 100, Zurich, Switzerland.
Ishibashi I Department of Cardiology, Chiba Emergency Medical Center, 3-32-1 Isobe, Mihama-ku, Chiba, Japan.
Ghadri JR Department of Cardiology, University Heart Center, University Hospital Zurich, Raemistrasse 100, Zurich, Switzerland.
Templin C Department of Cardiology, University Heart Center, University Hospital Zurich, Raemistrasse 100, Zurich, Switzerland.