Pain

Question 1

Complex regional pain syndrome (CRPS), also known as ______ ________ ________, is characterized by pain and sensory changes in an upper or lower extremity, typically after a noxious event such as trauma, surgery, or myocardial ischemia (CRPS type 1), or with known injury to a nerve innervating the extremity (CRPS type 2).

Answer 1

reflex sympathetic dystrophy

NEJM, Knowledge Plus

Question 2

The key to early diagnosis of complex regional pain syndrome is the identification of _________ ______ such as edema, skin mottling, sweating, or temperature change of the affected area. Skin thickening and motion restriction occur later in the disease course.

Answer 2

autonomic changes

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Question 3

MRI or bone scan of an extremity affected by CRPS may show…

Answer 3

….patchy bone demineralization

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Question 4

The difference between CRPS and peripheral neuropathy/ radiculopathy is….

Answer 4

…radiculopathy conforms to distribution of a particular nerve or nerve root.

(NEJM, Knowledge Plus)