Giddiness and sweating can have several causes and one of the tests to ensure this was not a cardiac event was partly excluded by the ECG. Borderline LA abnormality on ECG means that the LA size (voltage critera) is a big bigger, and only an ECHO can give you a better answer.
If he is having a viral infection (inner ear infection
) he can have these symptoms.
Also a glucose
(random) should have been done if there is history of diabetes
as HIGH blood glucose (300mg/ml) can cause the same effects.
function, complete blood count
, CRP are other tests that would be necessary.