# What is your answer?

**URL:** <https://www.medboundhub.com/t/what-is-your-answer/5162>\
**Category:** General\
**Tags:** medical\
**Created:** [July 12, 2025, 4:01am UTC](https://www.medboundhub.com/t/what-is-your-answer/5162 "2025-07-12T04:01:03Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Sakshi123](https://yyz1.discourse-cdn.com/flex033/user_avatar/www.medboundhub.com/sakshi123/32/455_2.png) [@Sakshi123](https://www.medboundhub.com/u/Sakshi123)\
**Post date:** [July 12, 2025, 4:01am UTC](https://www.medboundhub.com/t/what-is-your-answer/5162/1 "2025-07-12T04:01:03Z")

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A 65-year-old woman with atrial fibrillation is started on warfarin. On the 4th day of treatment, she develops a painful, purple discoloration over her thighs and breasts. Labs show a low protein C level.

What is the most likely cause of this complication?

A) Heparin-induced thrombocytopenia  
B) Warfarin-induced skin necrosis  
C) Allergic dermatitis  
D) Antiphospholipid syndrome

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**Author:** ![Wakeeta\_11](https://yyz1.discourse-cdn.com/flex033/user_avatar/www.medboundhub.com/wakeeta_11/32/668_2.png) [@Wakeeta\_11](https://www.medboundhub.com/u/Wakeeta_11)\
**Post date:** [July 12, 2025, 5:49am UTC](https://www.medboundhub.com/t/what-is-your-answer/5162/2 "2025-07-12T05:49:24Z")

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It should be warfarin-induced skin necrosis.

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**Author:** ![Prisha](https://yyz1.discourse-cdn.com/flex033/user_avatar/www.medboundhub.com/prisha/32/770_2.png) [@Prisha](https://www.medboundhub.com/u/Prisha)\
**Post date:** [July 14, 2025, 3:42am UTC](https://www.medboundhub.com/t/what-is-your-answer/5162/3 "2025-07-14T03:42:30Z")

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The most likely answer is warfarin induced skin necrosis

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**Author:** ![Kothwalzabeen](https://yyz1.discourse-cdn.com/flex033/user_avatar/www.medboundhub.com/kothwalzabeen/32/941_2.png) [@Kothwalzabeen](https://www.medboundhub.com/u/Kothwalzabeen)\
**Post date:** [July 14, 2025, 10:36am UTC](https://www.medboundhub.com/t/what-is-your-answer/5162/4 "2025-07-14T10:36:34Z")

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This cause of complication is - Warfarin-induced skin necrosis. Because this mainly occurs in the patients with protien C deficiency.

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**Author:** ![prasanthkumar](https://yyz1.discourse-cdn.com/flex033/user_avatar/www.medboundhub.com/prasanthkumar/32/958_2.png) [@prasanthkumar](https://www.medboundhub.com/u/prasanthkumar)\
**Post date:** [July 14, 2025, 10:39am UTC](https://www.medboundhub.com/t/what-is-your-answer/5162/5 "2025-07-14T10:39:29Z")

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b. warfarin-induced skin necrosis

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**Author:** ![hitishachanodia](https://avatars.discourse-cdn.com/v4/letter/h/58f4c7/32.png) [@hitishachanodia](https://www.medboundhub.com/u/hitishachanodia)\
**Post date:** [July 14, 2025, 1:11pm UTC](https://www.medboundhub.com/t/what-is-your-answer/5162/6 "2025-07-14T13:11:27Z")

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Warfarin-induced skin necrosis