Thanks for posting your query.
With the available described details, it can be concluded that you are using treadmill exercise machine at home.
Diabetic patient are more prone for cardiac illness as compared to normal non diabetic person.
You should consult with internal medicine specialist/ cardiologist and should go for thorough heart check up.
He should go for treadmill test under guidance of your treating doctor.
As he is getting sweating, treadmill stress test
and followed by coronary angiography
Meanwhile, he should avoid treadmill exercise at home as it may be life threatening if coronary artery
blockade is present.
Dr. Mayank Bhargava