Dizziness. One cause of imbalance/dizziness is cardiac. The symptoms could be lightheadedness or the sensation of falling. This is not truly vertigo or a vestibular problem as those are typically mediated by an inner ear abnormality.
Will a tricuspid valve repair for severe tr cause more problems if the right ventricle of the heart is weak and there is some CHF (40% ef) or help?
Tricuspid repair. Whether to repair a tricuspid valve is a complicated problem dependent on the details of the patient's physiology. It is possible for some people to do fine with major tricuspid regurgitation and others benefit by repair. You should discuss this problem with the cardiologist who understands the patient's situation. The data here isn't sufficient to advise.