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Interventional Spine Vocabulary > RF Vocabulary > Flashcards

RF Vocabulary Flashcards

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1
Q

Ablation

A

Removal of a body part or destruction of it’s function

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2
Q

Ambulate

A

To walk

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3
Q

Ambulation

A

Walking

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4
Q

Anelgesia

A

The relief of pain without loss of consciousness

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5
Q

Anesthesia

A

The relief of pain with or without loss of consciousness

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6
Q

Atrophy

A

A wasting away; a diminution of the size of a cell, tissue, organ, or body part

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7
Q

Caudad

A

Towards the feet (Caudal)

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8
Q

Craniad

A

Towards the head. (Cephalad)

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9
Q

Coagulate Current

A

Change from liquid to a thickened or solid state. Formulation of a net electric charge on or in a conductor (charge through a surface per unit time)

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10
Q

Cutaneous

A

Pertaining to the skin

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11
Q

Dermatome

A

An area of skin innervated by sensory fibers from a single spinal nerve

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12
Q

Distal

A

Remote, farther away from any point of reference (opposite proximal)

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13
Q

Dorsal

A

Pertaining to the back

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14
Q

Electrode (probe)

A

A collector or emitter of electric charge. When places in a cannula, is used to deliver RF energy to target tissue.

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15
Q

Elucidate

A

To make clear

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16
Q

Etiology

A

The study of the factors that cause disease and the method of their introduction to the host.

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17
Q

Foramen

A

A natural opening or passage, especially into or through a bone

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18
Q

Frequency

A

The number of repetitions per unit time of a complete waveform, as of an electric current. Measures in Hertz/second

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19
Q

Gadolinium

A

A rare element with an atomic number 64. Chelated gadolinium is used as a paramagnetic contrast agent in MRI

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20
Q

Ganglion

A

Anatomic nomenclature for a group of nerve cell bodies located outside the central nervous system.

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21
Q

Impedance

A

The bodies resistance to the flow of an AC current

22
Q

Innervate

A

The distribution or supply of nerves to a body part

23
Q

Intrathecal

A

Drugs administered into the cerbrospinal fluid treating the spinal cord and brain

24
Q

Ipsilateral

A

Situated on, pertaining to, or affecting the same side (opposite of contralateral)

25
Q

Lesion

A

A wound or injury

26
Q

Thermal Lesion

A

Volume of destroyed tissue surrounding the exposed tip of cannula due to heating with RF energy.

27
Q

Medial Branch Nerve

A

Innervates facet joints, primary target for RF ablation

28
Q

Motor Stimulation

A

Electrical Output, typically 1Hz 1ms, used to stimulate motor nerves before RF treatment. Voltage is increased to 1.5 - 3 Volts (or twice sensory stimulation value). Do not want to see leg twitch with Lumbar RF procedures, and not want to see arm twitch with Cervical RF procedures

29
Q

Multifidus

A

A muscle of the fifth and deepest layer of the back filling up the groove on each side of the spinous processes of the vertebrae from the sacrum to the skull and consisting of many fasciculi that pass upward and inward to the spinous processes and help erect and rotate the spine

30
Q

Neural Tissue

A

Tissue of or relating to a nerve or the nervous system

31
Q

Neural Electrode

A

Self adhesive pad adhered to patient during RF procedure to disperse/collect energy delivered by the electrode

32
Q

Nomenclature

A

A classified system of names, as of anatomical structures organisms, etc

33
Q

Occipital

A

Pertaining to the occiput

34
Q

Occiput

A

The posterior part of the head

35
Q

Prone

A

Lying with the front or face downwards

36
Q

Pulse Width

A

The duration of energy output measured in milliseconds. Parameter of Sensory and Motor stimulation as well as pulsed RF

37
Q

Pulsed RF

A

Application of RF energy in bursts rather than continuously to apply high electric field without heating the tissue. Mechanism of pain relief considered to be application of electric field rather than destruction of tissue

38
Q

Radicular

A

Pain experienced along the dermatome (or sensory distribution) of a nerve due to pressure on the nerve root

39
Q

Radiculopathy

A

Disease of the spinal nerve root

40
Q

Radiofrequency (RF) Energy

A

High Frequency energy (500kHz - 1MHz) that causes ionic friction when applied

41
Q

RF Cannula

A

Insulated needle with exposed metal tip used to access target neural tissue and deliver RF energy

42
Q

Ramus

A

Anatomical terminology for a smaller structure given off by a larger one

43
Q

Sacral Ala

A

The area of the sacrum which lies laterally on both side; the “wings” of the sacrum

44
Q

Sensory stimulation

A

Electrical output, typically 50Hz/1ms, used to stimulate sensory nerves before RF treatment to determine proximity of the cannula. Voltage slowly increased from 0 to the value determined by the physician (0.2 - 1 Volt). Physician asks patient if the feel any pain or tingling while voltage is being increased. Positive response from the patient at a “low voltage” indicates that the needle tip is close to the target nerve.

45
Q

Skylet

A

Thin metal wire with plastic hub that sits inside the cannula and must be removes prior to the injection of liquid or electrode insertion

46
Q

Supine

A

Lying on the back or having the face upwards

47
Q

Vascular

A

Pertaining to vessels, particularly blood vessels

48
Q

Vasoconstrictive

A

The diminution of the caliber vessels, especially constrictions of arterioles leading to decreased blood flow

49
Q

Ventral

A
  • Pertaining to the abdomen

- Denoting a position more toward the belly surface

50
Q

Voltage

A

Potential difference measures in colts. The amplitude of the energy output for sensory and motor stimulation. Analogous to the pressure in a pipe whereas current would represent the amount of water flowing per unit time.

Interventional Spine Vocabulary (4 decks)

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