A member asked:

On thyroid medication for years. last 3 test 3 months apart normal tsh ( 1.78, 1.48 , 0.816) but high free t4 (1.8, 1.87 ,1.84) normal ft4 values 0.8 to 1.77. what could cause high ft4 and could that cause increased palpitations and arrhythmias?

Q: on thyroid medication for years. last 3 test 3 months apart normal tsh ( 1.78, 1.48 , 0.816) but high free t4 (1.8, 1.87 ,1.84) normal ft4 values 0.8 to 1.77. what could cause high ft4 and could that cause increased palpitations and arrhythmias?

: Could but not likely. Discuss with Dr who knows you. We do not. Eg why are u taking meds?

A doctor has provided 1 answer

Dr. Clarence Grim answered

Specializes in Endocrinology

Could but not likely. Discuss with Dr who knows you. We do not. Eg why are u taking meds?

Answered 9/5/2022

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A member asked:

On thyroid medication for years. last 3 test 3 months apart normal tsh ( 1.78, 1.48 , 0.816) but high free t4 (1.8, 1.87 ,1.84) normal ft4 values 0.8 to 1.77. what could cause high ft4 and could that cause increased palpitations and arrhythmias?

A doctor has provided 1 answer

Dr. Clarence Grim answered

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