Hello amsler1 , welcome to healthcaremagic.com
Regarding your querry , 24 hours metanephrine levels are generally done to detect pheochromocytoma
as these patients do present only with hypertension
only like in your case . As per your history your the values for metanephrine levels is low or in other words pheochromocytoma can be ruld out for you provided you are not taking any medicine for your hypertension currently which can lowers your metanephrine levels, please consult with your doctor regarding this point. Also you have not mentioned whether you have other under gone any echocardiography
of your heart which is a routine investigation before they put you up for nuclear stress test
. A isolated case of hypertension with non specific ST-T wave changes does go in favour of ischemic heart disease
and your nuclear stress test may help detect the abnormality. Consult with your primary physician or cardiologist regarding any further queries . I hope i have been able to help you . Thank you . Take care.