There was ahighly significant relationship between NOx levels and gender(p = 3.13e-06), creatinine(p = 3.96e-15), ventricular arrhythmia(p = 9.49e-05), ACE inhibitors(p = 4.23e-05), and the interactionbetween ACE inhibitors and HDL(p = 4.30e-05). Here, ACE is linked to Ventricular arrhythmia.