A 78 year old lady on warfarin for atrial fibrillation lives in a care home. She presents with history of progressive confusion for three days. She was also noticed to have bruises on her arms. INR = 7. What is the most probable diagnosis?

waelhammad

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2022-10-30

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A 78 year old lady on warfarin for atrial fibrillation lives in a care home. She presents with

history of progressive confusion for three days. She was also noticed to have bruises on her

arms. INR = 7. What is the most probable diagnosis?

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waelhammad

2022-10-30

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The key is C. Subdural haemorrhage. [Age 78 yrs, living in a care home where unnoticed trivial

injury is possible (like fall), warfarine and high INR is potential risk factor of subdural haemorrhage

suggested by bruises on arms also].

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