Orthonotes
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v3.0 Fusion
v3.0 Fusion
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Mangled Extremity Severity Score (MESS)

Score based on skeletal/soft tissue injury, ischemia, shock, age. Ischemia >6 h doubles points. MESS ≥7 → amputation likely. Adjunct tool; not absolute.

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Score based on skeletal/soft tissue injury, ischemia, shock, age. Ischemia >6 h doubles points. MESS ≥7 → amputation likely. Adjunct tool; not absolute.
MCQs

High-yield practice questions

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Question 1

What is the primary purpose of the Mangled Extremity Severity Score (MESS)?

Question 2

In the MESS, what score is assigned for a low-energy skeletal injury?

Question 3

If a patient has complete limb ischaemia for more than 6 hours, what is the maximum score they can receive for the limb ischaemia component of the MESS?

Question 4

Which of the following is considered a high-energy injury in the MESS?

Question 5

A patient presents with a systolic blood pressure of 85 mmHg that responds to IV fluids. What score would this patient receive for the shock component in MESS?

Question 6

In the MESS, how does age affect the scoring?

Question 7

What total MESS score indicates that limb amputation is likely?

Question 8

What should be considered alongside the MESS score when making clinical decisions about limb injuries?

Question 9

Which of the following injuries would receive the highest score for skeletal/soft tissue injury in the MESS?

Question 10

Why should the MESS not be used as an absolute determinant for amputation decisions?