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Pt on Lithium therapy became weak, lethargic,
Intolerant to heat. What Investigation must be done?
28. Lithium Level
29. Thyroid Function Testâ„¢s
30. Creatinine/BUN
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answer is 29 becuz lithuim with chronic use decreases TSH and prevent iodination of T4 to T3
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It should be 29. Although 30 is correct too.Lithium toxity
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you mean INCREASE TSH, beacsue 5 % can caus eHYPOTHYROIDISM , so TSH will be INCREASED !!!!!!!!!!!!!!!