Welcome to Health Care Magic
Increasing the dose of Metoprolol
will help to control the rate.
Lab tests are necessary - anaemia
and so on should be looked for.
Echo and stress test
may give clues.
If not, you may need Electro Physiological Studies (EPS) - the specialist is called ELECTRO-PHYSIOLOGIST.
The treating doctor may suggest them depending on need, based on his assessment of the situation.
Wishing speedy recovery