HI
Thanks for posting your query .
First of all I need to know what you mean by Tired Heart . Is it a doctor's diagnosis or you are describing her condition as tired heart?
Dizziness can happen due to many causes . From simple causes like low / High BP , Low / High Blood Sugar , Low / High Blood Sodium , Thyroid Problems ,
Inner ear problems , Anemia to some serious problems like Heart problems like
Heart failure , Arrythmias ,
Aortic stenosis , Some Brain problems .
So I advise you get her BP checked in sitting and standing position ( I got the point that she doesn't want to meet doctor ), get her
Hemoglobin , Serum Sodium , Blood sugars tested .
Also Vicaden can causes dizziness , so stop it . If her BP is low Either Diltiazem or Toporol dosage has to be reduced. For that you need to take her to your Doctor.
Any clarifications feel free to ask , Happy to answer.