Thanks for writing to us.
If you are not having any symptoms like chest pain,breathlessness,giddiness,headache.sweating or palpitation,you need not worry and need not to go to emergency.
Presently your on three anti-hypertensive drugs-
Loasartan 100 OD.
Hydrochlorthizide 25 OD and
Bisoprolol 5mg OD.
All the drugs are almost in their maximum doses.So try another measures like diet control,exercise,salt restriction.Along with change in life style continue same medicines for one month and monitor blood pressure.Also in mean time get another tests done for resistant hypertension
if blood pressure remains persistently high.
You can change over to Amlodepine 5 mg BD or increase Bisoprolol 5mg BD.
You need to be tested for cause of your hypertension.Secondary hypertension
can be due to renal artery stenosis
,Chronic renal failure
and many others.
Treating the underlying cause of hypertension is needed in such cases.
Pseudo hypertension can also a possibility as age is 74 years.
I would like to suggest for monitoring of Renal function and electrolytes as loasartan and hydrochlorthizide cause eletrolyte disturbances like hyperkalemia
Hope this could help you.
Wish you good health.