Time Course of EMG/NCS Findings
Topic: Pharmacology
Created on Tuesday, January 16 2007 by
Last modified on Thursday, January 25 2007.
Sadly, you suffer from body dysmorphic disorder. Your demonic surgeon recommends general anesthesia for an earlobe reduction surgery.
When you awaken, he proudly announces, "Congratulations! I have successfully severed your T1 spinal nerve!"
You are kind of concerned.
On needle EMG, when will you be able to find fibrillations in intrinsic muscles of the hand?
A) 2 to 3 weeks B) 7 to 10 days C) Immediately D) 4 to 6 weeks E) 10 to 14 days
This question was created on January 16, 2007 by .
This question was last modified on January 25, 2007.
ANSWERS AND EXPLANATIONS
A) 2 to 3 weeks
This answer is incorrect.
In radiculopathies, fibrillations of the most distal muscles may not be detected on needle EMG unitl up to 6 weeks after the initial injury. (
See References)
|
| | |
| | |
Please log in if you want to rate questions. |
B) 7 to 10 days
This answer is incorrect.
In radiculopathies, fibrillations of the most distal muscles may not be detected on needle EMG unitl up to 6 weeks after the initial injury. (
See References)
|
| | |
| | |
Please log in if you want to rate questions. |
C) immediately
This answer is incorrect.
In radiculopathies, fibrillations of the most distal muscles may not be detected on needle EMG unitl up to 6 weeks after the initial injury. (
See References)
|
| | |
| | |
Please log in if you want to rate questions. |
D) 4 to 6 weeks
This answer is correct.
In radiculopathies, fibrillations of the most distal muscles may not be detected on needle EMG unitl up to 6 weeks after the initial injury. (
See References)
|
| | |
| | |
Please log in if you want to rate questions. |
E) 10 to 14 days
This answer is incorrect.
In radiculopathies, fibrillations of the most distal muscles may not be detected on needle EMG unitl up to 6 weeks after the initial injury. (
See References)
|
| | |
| | |
Please log in if you want to rate questions. |
References:
1. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia. | |
2. Guarantors of Brain. (2000). Aids to the Examination of the Peripheral Nervous System, fourth edition. W.B. Saunders, Edinburgh. | |
3. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore. | |
|
| | |
| | |
Please log in if you want to rate questions. |
FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
pharmacology
Time Course of EMG/NCS Findings
Question ID: 01160700
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved.
Created: 01/16/2007
Modified: 01/25/2007
Estimated Permutations: 0