(425.xx) 2.1 Cardiac dysrhythmias (427.xx) 19.6 Heart failure (428.xx) 3.7 General symptoms (780.xx) 1.7 Cardiovascular symptoms (785.xx) 1.7 Respiratory and chest symptoms (786.xx) 6.8 Q2 (0.81–1.00) 2 339 812 2.45 95.7 3.3 10.8 1.9 1.6 24.4 4.2 2.3 21.4 3.7 1...