
Keywords: اکوکاردیوگرافی ترانزیستوری; Normal; Electrocardiogram; Transthoracic echocardiography; Appropriateness; Prevalence; AUC; Appropriateness use criteria; CHF; Congestive heart failure; ECG; Electrocardiographic; LV; Left ventricular; LVEF; Left ventricular ejection fraction; Maj TTE AB