More Neuro Exam Flashcards
(33 cards)
Weakness of segmental distribution Muscle atrophy Flaccidity Fasciculations Reduced or absent DTRs
Lower motor neuron
Weakness of affected distribution Spasticity Hyperactive DTRs Clonus Babinski present
Upper motor neuron
Lateral upper arm and shoulder sensory loss
Deltoid motor loss
C5 nerve root
Dorsolateral arm, forearm, thumb sensory loss
Biceps and wrist extensor motor loss
C5 and C6 nerve roots
Mid dorsal forearm, middle finger sensory loss
Triceps, wrist flexors, finger extensor motor loss
C7 nerve root
Medial forearm ring and pinky finger sensory loss
HypoThenar eminence, interossi motor loss
C8 cervical root
Triceps DTRs
C7 and C8 nerve roots
Biceps and brachioradialus DTRs
C6 nerve root
L3 nerve root lesion
Anterior thigh sensory
Iliospoas motor
Knee jerk DTR
L4 nerve root lesion
Anterio-medial thigh to medial leg sensory
Quadriceps motor
Knee jerk DTR
L5 nerve root lesion
Lateral and anterior calf sensory
Foot dorsiflexion motor
S1 nerve root lesion
Posterior calf and heel sensory
Gastrocnemius plantar flexion motor
Achilles DTR
Distal weakness
Diminished reflexes
Distal sensory loss
Nerve disease
Weakness increased w/ effort
Normal reflexes
No sensory loss
Neuromuscular disease
Proximal weakness
Normal to late reflexes
No sensory loss
Muscle disease
Unilateral lesions ABOVE the medulla result in
Contralateral weakness
Unilateral lesions BELOW the medulla result in
Ipsilateral weakness
Sensory loss in first 3 digits
Motor loss of Thenar (abductor pollicis, opponens)
Nocturnal pain in forearm and first 3 digits
Median nerve compression
CTS
Sensory loss 4th and 5th digits
Motor loss- HYPOTHENAR (abductor digiti minimi, first interossi)
Pain at 4th and 5th and tenderness at elbow
Ulnar entrapment
Resting tremors
Disappears with movement
Seen with Parkinson’s
Postural tremors
Appear when actively maintaining posture
Seen with benign familial tremor and hypothyroid
Intention tremor
Appears when reaching for target
Seen with aging, cerebellar disease, and MS
Rhythmic, repetitive bizarre movements of the face mouth jaw and tongue
Oral-facial dyskinesias
D/t psychotropic meds
Unpredictable rapid jerky movements of face trunk and extremities
Chorea
Dance like