Background: Dobutamine stress echocardiography [DSE] is commonly utilized for the diagnosis and assessment of coronary disease, particularly in individuals with restricted physical activity. limited studies have assessed the effect of dobutamine infusion on hypertensive patient regarding arrhythmia.
Aim of the work: This study aimed to determine the prevalence of atrial and ventricular arrhythmia during Dobutamine stress echo in hypertensive patients before non-cardiac surgery.   
Patients and methods: This prospective comparative study included 182 Participants divided as regards the presence of hypertension into 2 groups, a Case group [76 hypertensive patients], and a control group [106 non-hypertensive patients]. All participants were subjected to Dobutamine Stress Echocardiography.   
Results: As regards the prevalence of Arrhythmia, the most prevalent type of arrhythmia in both groups was the PVC [28.9% of cases and 19.9% of control] followed by PAC [7.9% of cases and 7.5% of control], SVT, and AF, with no significant difference between the 2 groups [P value = 0.1, 0.9, 0.3, 0.09 respectively].
Conclusion: The risk of dangerous arrhythmia during DSE is small and similar in both groups.