How do you adjust levothyroxine dose for elderly individuals with decompensated heart failure on low dose levothyroxine therapy presenting with TSH >10?  

I think this depends on what the FT4 is. If subclinical hypothyroidism vs overt hypothyroidism. With elderly who have decompensated heart disease, etc, it may be best to start low (12.5-25mcg of levothyroxine daily) and titrate up by 12.5-25 mcg every 2 weeks or so. If >80 years of age, don't...