Conversation: The conversation between human and AI assistant.
[|Human|] I have been taking toprol Xl 37.5 mg for over 5 years daily For both tachycardia and elevated BP my age is 76 yesterday while standing and talking I experienced a quick loss of balance lightheaded ? The last 2 days I have been extremely tired . My hands and feet are cold . After returning home 1/2 hour my pulse rate 60 normal 80 and had difficulty raising it on exercise. The episode occurred about 3 hours after taking the med
[|AI|]  Howell come to ChatDoctorI really appreciate your concern, with the history of hypertension and some cardiac elements if patient experience lightheaded then it could be developing of ischemic area in cerebral region later on the full developed ischemia cause the TIA (Transient Ischemic Attack) and to rule this out CT brain is must, the symptoms has to be taken seriously, certain things' area there that needs to be taken care like high blood pressure, endocrine system, renal function, it is advisable to see the physician on regular basis, hope this information helps.