Two-dimensional guided M-mode echocardiography was used to assess fractional shortening and left ventricular (LV) dimensions at ... Cold, *Disease Models, Animal, *Mice, Inbred C57BL, Animals, Coronary Vessels, Cryosurgery/*instrumentation, Echocardiography, ... Pressure-diameter relations were constructed by combining echocardiography and hemodynamic data. Histological and morphometric ...