Abstract 018

Wild-typeα7 knock-out
Left Ventricular (LV) Mass (mg)96.9±5.4 mg72.1±6.6 mg*
LV End Diastolic Dimension3.9±0.1 mm3.0±0.1 mm*
Diastolic septal thickness0.8±0.02 mm0.92±0.05 mm*
Stroke Volume (μl)42±2.6 μl23.8±μl*
Fractional shortening (%)32.1±1.2%49.1±5.3%*