enmg

Question 1

ENMG looks at

Answer 1

determine location and severity of impairment
Does not determine actual cause

Question 2

Saltatory conduction

Answer 2

Less energy needed to achieve Action
potential

Question 3

Patients with signs and symptoms of neuromuscular disorders (4)

Answer 3

Numbness, tingling, pain in sensory distribution, and weakness (CNS vs. PNS)

Question 4

Segmental demyelination

Answer 4

focal conduction abnormality along nerve

Question 5

Who needs ENMG testing

Answer 5

neuromuscular disorders
Segmental demyelination
Axon degerneration

Question 6

precautions for ENMG (3)

Answer 6

pacemakers, blood thinners, blood-transmittable diseases (universal precautions)

Question 7

common nerve and muscle in motor nerve conduction study

Answer 7

Median nerve very common and Abductor pollicis brevis typically uses

Question 8

orthdromic

Answer 8

goes the same direction as the nerve

Question 9

antidromic

Answer 9

goes the opposite direction of the nerve

Question 10

H-reflex

Answer 10

takes a closer look at peripheral nerve dysfunction

Question 11

F-reflex

Answer 11

takes a closer look at nerves more proximal to spinal cord

Question 12

order of demylination

Answer 12

Neurapraxia (mildest), axonotmesis, neurotmesis (most severe)

Question 13

axonotmesis

Answer 13

injury to peripheral nerve

Question 14

neurotemeis

Answer 14

complete cut, no peak