... she has a very fluctuating type of hypertension even on drugs.cardiologist have given her telmisartan 80 mg with hydrochlorthiazide twice daily+isosorbide mononitrate+aspirin 75 mg.my question is wheather so high dose of telmisartan i,e 160 mg is safe?as she had an attack of beta blocker induced sinus arrest,doctors are hesitant to give her any other medications.what would be the ideal combination for this kind of bradyarrythmia with fluctuating hypertension.her age is 68.i am a dermatologist.please help & give me a guideline urgently