Acute Carotid Sinus Endovascular Stimulation II Study

All study objectives are being assessed during the intraoperative baroreceptor stimulation.
No subsequent testing will be performed. The follow-up visit is only intended to assess for
adverse events.

Inclusion Criteria:

- Subject is at least 18 years old

- Subject is hypertensive (defined as at least one in-office Systolic BP measurement
≥140 mm Hg or Diastolic BP ≥90 mm Hg within three months prior to enrollment

- Subject is undergoing a cardiac catheterization involving right heart catheterization
and/or EP procedures.

- Subject (or subject's legally authorized representative) is able and wiling to give
informed consent

Exclusion Criteria:

- Subject has an ejection fraction (EF) less than 35% (by most recent echocardiography
in the past 6 months) and there has been no change in clinical status relative to EF

- Subject is a woman who is pregnant, nursing, or of child bearing potential and is not
on a reliable form of birth control

- Subject is enrolled or is planning to participate in a concurrent drug and/or device
study during the course of this clinical trial. Co-enrollment in concurrent trials is
only allowed with documented pre-approval from the Medtronic study manager,
documenting that there is not a concern that co-enrollment could confound the results
of this trial.

- Subject is unable or unwilling to participate with study procedures