Chronotropic incompetence or tachycardiomyopathy as trigger of myocardial dysfunction in critically ill patients?

1. Romero-Bermejo, F.J.
2. Ruiz-Bailén, M.
3. Rucabado-Aguilar, L.
4. Pérez-Valenzuela, J.
5. Ferrezuelo-Mata, A.
6. Ramírez-Sánchez, M.
7. Cuadra, J.A.R.
8. Ramírez, M.J.M.