Sensory Studies
Fig. 4.1 Median digit III orthodromic study recording over the median nerve at the wrist and stimulating digit III Fig. 4.2 (a, b). Median palmar sensory study (orthodromic) recording over…
Fig. 4.1 Median digit III orthodromic study recording over the median nerve at the wrist and stimulating digit III Fig. 4.2 (a, b). Median palmar sensory study (orthodromic) recording over…
Age (years) Number of subjects Orbicularis oculi Orbicularis oris 0–1 120 3.1 ± 0.8 5.3 ± 1.7 1–3 91 3.3 ± 0.5 5.4 ± 1.6 3–9 89 3.5 ± 1.0…
Fig. 22.1 CK serum levels on most muscle disorders in paediatric population. (serum CK expressed in IU/L) Electrophysiologic Evaluation EDX evaluation for muscle disorders in the pediatric population can be…
1. Anatomical site(s) that are clinically involved: − Brain − Cranial nerve(s) − Spine − Nerve plexus − Sensory ganglia − Nerve root(s) − Motor neuron − Peripheral nerve(s) 2. Non-neurological findings − Non-neurological organ involvement − Concomitant diseases (auto-immune disease, cardiac…
Fibre type Diameter (μm) Conduction Velocity (m/s) Myelination Function Afferent fibers IA 12–20 70–120 Large myelinated From muscle spindles IB 12–20 70–120 Large myelinated From Golgi tendon organs II 6–12…
Fig. 19.1 Finger immersion test of vasomotor sympathetic function. Hand is immersed for 30 min in a heated water bath. Digital pictures are taken (from left to right) at baseline…
Fig. 9.1 Positive sharp waves (a) and fibrillation potentials (b). Note the initial positive (downward) deflection of both types of potentials. Courtesy Hugh J. McMillan, MD The analysis of motor…
Nerve conduction studies Normal Right Left Normal Right Left Sensory Motor Median Median (at wrist to APB) PL (ms) <3.2 2.6 2.1 DML (ms) <4.2 3.7 3.9 SNAP (mV) >14.0…
Fig. 7.1 F waves from left ulnar nerve in a healthy teenager. M-waves (left) exhibit higher amplitude and similar morphology with each stimulation; they occur first due to the proximity…
Fig. 5.1 Median motor study stimulating at the wrist (a) and at the antecubital fossa (b), recording abductor pollicis brevis (APB) muscle Fig. 5.2 Ulnar motor study stimulating at the…