A 38 year old female presents with difficult in looking upward and on examination she was found to have lid lag as well. She also complains of her heart racing at times. Which test will help in diagnosis?

waelhammad

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2022-10-30

A 38 year old female presents with difficult in looking upward and on examination she was

found to have lid lag as well. She also complains of her heart racing at times. Which test will help

in diagnosis?

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waelhammad

2022-10-30

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The key is C. TFT. [Difficulty in looking upwards is due to superior rectus or inferior oblique palsy

and palsy of one or more extra-ocular muscle can occur in thyrotoxicosis which is known as Ballett’s

sign. There is lid lag in thyrotoxicosis and racing heart is due to paroxysmal atrial fibrillation caused by

hyperthyroidism].

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