Sinus rhythm without significant ventricular or atrial ectopy.
You may not be if
Current angiotensin II receptor antagonist or ACE Inhibitor treatment.
Contra-indication to any of the protocol anti-hypertensive agents.
Angina requiring treatment with a Beta blocker or calcium antagonist
Any disease affecting the autonomic nervous system e.g. congestive cardiac failure, diabetes, neurological disease, malignancy, pregnancy.
Contraindication to MRI (pacemaker, intra-orbital debris, intra-auricular implants, intra-cranial clips, history of claustrophobia, inability to lie supine for 15 minutes etc).
