The results indicated that the BMI, proportion of patients with arrhythmia history, proportion of antibiotic taken, HR, proportion of moderate disease severity and WBC, AST, CK, CK-MB, Mb and hs-cTnI levels in the AH group were significantly higher than those in the control group (p < 0.05), and the lymphocyte ratio and hs-CRP levels were significantly lower than those in the control group (Table 1; p < 0.05). The gene discussed is MB; the disease is cardiac arrhythmia.