Medical Mistake #1 in Dexter [Season 1]

Episode 4 - "Let's give the boy a hand"

 In this scene, Dexter gives the following description:

Dexter: “The foot was severed between the tarsus and metatarsus The wound is circular. Again, almost surgical.”

What's wrong with Dexter's statement?

If you were hired as the medical consultant for Dexter, how would you correct this blatant mistake?

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Medical Mistake #2 in Dexter [Season 1]

Episode 9 - "Father Knows Best"

In this flashback scene, a young Dexter is being wheeled into the OR for emergency surgery for internal bleeding after a fall:

Doctor: “Don’t you worry little man. You’re not going to feel a thing.”

Dexter: “I thought there was a problem, you know, with my blood?”

Doctor:  “Your dad fixed it. You see, you have a very special blood type.  AB negative.  It’s hard to come by and our supplies was low.  But your dad knew somebody with blood just like yours.  Very Lucky.”

True or False:  AB negative is a very rare blood type?

True or False:  It is difficult to find compatible blood for AB blood group individuals?

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Medical Mistake #3 in Dexter [Season 1]

Season 1, Episode 10 - "Seeing Red"

In this scene, the team is discussing a theory about a hotel room crime scene that was coated with blood that didn’t clot.

Debra Morgan: “Do we have any more evidence to support this theory?”

Dexter: “When Masuka noticed that the blood wasn’t clotting, I ran some tests, and it [the blood] was loaded with Coumadin and Heparin”

Masuka explains: “One is an anticoagulant, the other is a preservative."

This one is easy…. What’s wrong here?

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Medical Mistake #4 in Dexter [Season 5]

Episode 509 (Season 5, Episode 9) - Teenage Wasteland

Dexter defends his stepdaughter and her friend by teaching an abusive father a lesson.

At 1:22 of the clip, he punchs him and says “That’s your liver!”  

What's wrong with Dexter's statement?

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