The purpose of this NIS is to assess the prevalence of sympathetic overactivity in patients with newly diagnosed essential hypertension.

MC MD

Inclusion Criteria:

• Newly diagnosed essential hypertension patients will be eligible for the study.
• Average of two or more systolic BP readings ≥ 140mmHg or diastolic BP readings ≥ 90mmHg

Exclusion Criteria:

• History of coronary artery disease
• History of diabetes

Primary hypertensive patients