Dr. Alex Jimenez, El Paso's Chiropractor
I hope you have enjoyed our blog posts on various health, nutritional and injury related topics. Please don't hesitate in calling us or myself if you have questions when the need to seek care arises. Call the office or myself. Office 915-850-0900 - Cell 915-540-8444 Great Regards. Dr. J

Introduction To Medical Imaging Conventional Radiography

  • Conventional Radiography is 2-D imaging modality
  • It is required to perform minimum 2-views orthogonal to each other:
  • 1 AP (Anterior to Posterior) or PA (Posterior to Anterior)
  • 2 Lateral
  • Supplemental views: Oblique views etc.
  • Skeletal radiographs typically use AP & lateral views
  • Chest radiographs and Scoliosis imaging in children will usually use the PA technique
  • Exceptions for PA chest views: patients unable to cooperate (severely ill or unconscious patients)
  • X-rays are a form of electromagnetic energy (EME) similar to light photons or other sources
  • X-rays are a form of man-made radiation
  • Ionizing effect of x-rays process of removal of atomic electrons from their orbits
  • Two basic types of ionizing radiation:
  • Particle (particulate) radiation produced by alpha & beta particles that are the result of radioactive decay of different materials
  • Electromagnetic Radiation (EMR) produced by x-rays or gamma rays called photons
  • The energy of EMR depends on its wavelength
  • Shorter wavelength corresponds to higher energy
  • The energy of EME is inversely related to its wavelength
imaging and diagnostics el paso tx.

X-ray Properties

  • No charge
  • Invisibility
  • Penetrability of most matters (esp. human tissues) depends on “Z” (atomic number)
  • Making compounds fluoresce and emit light
  • Travel at the speed of light
  • Ionization and biologic effect on living cells

The Imaging System

  • X-rays are produced by an imaging system ( x-ray tube, operator’s console, and high voltage generator)
  • X-ray tube composed of (-) charged cathode and (+) charged anode enclosed in the evacuated class envelope and housed in the protective coat of metal
  • A Cathode made up of filament wire embedded within the focusing cup to give electrostatic focus to electrons’ cloud
  • Filament wire of heat resistant thorium tungsten metal of high melting point (3400 C) that “boils off” electrons during thermionic emission
  • Focusing cup polished nickel (-) charged that accommodated  the filament to electrostatically repulse the electrons and confines them to the focal spot of the anode disc where x-rays are produced
imaging and diagnostics el paso tx.
  • Anode (+) charged target for electrons to interact at the focal spot
  • Conducts electricity
  • Rotates to dissipating heat
  • Made of tungsten to resist heat
  • Anode has a high atomic number to produce x-rays of very high efficiency at the focal spot
  • There are 2-focal spots large and small, each corresponding to cathode’s filament size (small vs. large) that depends on the magnitude of current in the cathode dictated by a radiographic study of larger or smaller body parts
  • It is known as the dual focus principle
imaging and diagnostics el paso tx.

When Electrons are emitted from the cathode as the cloud, they slam into the Anode’s focal spot resulting in 3 man events

  • Production of heat (99% outcome)
  • Production of Bremsstrahlung (i.e., breaking radiation) x-rays that represent the majority of x-rays within the x-ray emission spectrum
  • Production of Characteristic x-rays very few in the emission spectrum
imaging and diagnostics el paso tx.
  • Newly formed x-rays at the anode are of different energies
  • Only need high energy or “hard” x-rays to perform the radiographic study
  • Before x-rays exiting the tube we need to remove weak or low energy photons, i.e., “harden the beam.”
  • Added tube filtration in the form of aluminum filters is used that removes at least 50% of the “unfiltered” beam thus minimizing the patient’s radiation dose and maximizing image quality
imaging and diagnostics el paso tx.

High Voltage Generator

  • X-ray production requires an uninterrupted flow of electrons to the anode
  • Regular electricity supplies AC power with sinusoidal currents of “peaks and drops.”
  • In the past, single-phase high voltage generators would convert AC power into a half, or full wave rectified supply with a measure in the thousands of volts delivered with a “voltage ripple” or peaks of high voltage. Therefore, a term kilo voltage peaks (kVp) was used
  • Modern generators provide “uninterrupted” flow of electrical potential to the x-ray tube eliminating “voltage ripples” thus referred to as kilovoltage kV without “peaks.”

When x-rays interact with the patient’s tissued 3 events will occur

  1. X-rays will pass through without interaction and “expose” the image receptor
  2. Photoelectric interaction/effect (PE) comparatively lower energy x-rays will be absorbed/attenuated by the tissues
  3. Compton scatter x-rays are “bounced off” to form scatter, contributing no useful information to the film and lower image contrast while potentially giving unnecessary radiation dose to staff
  • The final image is the product of all three types of interactions known as
  • Differential absorption of x-ray photons – the result of photons’ absorption via PE, Compton scatter and x-rays passing through the patient
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
  • Compton scatter probability decreases with an increase in x-ray energy compared to PE effect
  • Compton effect probability does not depend on the atomic number (Z)
  • An increase of total mass density (thick vs. thin) will increase Compton and PE interaction
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.

What cells in the body are considered most vulnerable and most resistant to radiation?

  • Cells that are rapidly dividing and not terminally differentiated, epithelial cells, etc. are more radiosensitive
  • Bone marrow cells (stem cells) & lymphocytes are very radiosensitive
  • Muscle & and nerve cells are terminally differentiated and are less sensitive to radiation
  • Aged (senescent cells) vs. immature fetal cells are more vulnerable to radiation
  • However, following low dose radiation in most healthy individual cells will be able to repair likely without any long-lasting changes
imaging and diagnostics el paso tx.
  • Pregnancy & radiation initial 6-7 weeks are the most vulnerable
  • Do not use routine (non-emergent) radiographic examinations in pregnancy
  • Apply 10-day rule establish that radiographs can only be obtained during the initial ten days from the onset of the last menstrual cycle
  • Radiographic imaging of children:
  • If clinically possible use non-ionizing forms of medical imaging (e.g., ultrasound)
imaging and diagnostics el paso tx.
imaging and diagnostics el paso tx.

Non-axial imaging studies that use x-ray photons:

  • Conventional radiography
  • Fluoroscopy
  • Mammography
  • Radiographic angiography (currently less often used)
  • Dental imaging
  • Cross-sectional imaging using x-ray photons: Computed Tomography

Indication and Contraindication for conventional radiographic imaging

  • Advantages of Radiography: widely available, inexpensive, low radiation burden, the first step in imaging investigation of most MSK complaints
  • Disadvantages: 2D imaging, relatively lower diagnostic yield during an examination of soft tissues, numerous artifacts, and dependence on correct radiographic factors selection, etc.


  • Chest: initial assessment of lung/intrathoracic pathology. Potentially determines or obviates the need for chest CT scanning. Pre-surgical evaluation. Imaging of pediatric patients due to extremely low radiation dose.
  • Skeletal: to examine the bone structure and diagnose fractures, dislocation, infection, neoplasms, congenital bone dysplasia, and many forms of arthritis
  • Abdomen: can assess acute abdomen, abdominal obstruction, free air or free fluid within the abdominal cavity, nephrolithiasis, evaluate placement of radiopaque tubes/lines, foreign bodies, monitor resolution of postsurgical ileus and others
  • Dental: to asses common dental pathologies

Again, I Welcome You 👊🏻.

Our Purpose & Passions: I am a Doctor of Chiropractic specializing in progressive, cutting-edge therapies and functional rehabilitation procedures focused on clinical physiology, total health, practical strength training, and complete conditioning. We focus on restoring normal body functions after neck, back, spinal and soft tissue injuries.

We use Specialized Chiropractic Protocols, Wellness Programs, Functional & Integrative Nutrition, Agility & Mobility Fitness Training and Rehabilitation Systems for all ages.

As an extension to effective rehabilitation, we too offer our patients, disabled veterans, athletes, young and elder a diverse portfolio of strength equipment, high-performance exercises and advanced agility treatment options. We have teamed up with the cities premier doctors, therapist and trainers to provide high-level competitive athletes the possibilities to push themselves to their highest abilities within our facilities.

We’ve been blessed to use our methods with thousands of El Pasoans over the last three decades allowing us to restore our patients’ health and fitness while implementing researched non-surgical methods and functional wellness programs.

Our programs are natural and use the body’s ability to achieve specific measured goals, rather than introducing harmful chemicals, controversial hormone replacement, un-wanted surgeries, or addictive drugs. We want you to live a functional life that is fulfilled with more energy, a positive attitude, better sleep, and less pain. Our goal is to ultimately empower our patients to maintain the healthiest way of living.

With a bit of work, we can achieve optimal health together, no matter the age or disability.

Join us in improving your health for you and your family.

It’s all about: LIVING, LOVING & MATTERING! 🍎

Welcome & God Bless


6440 Gateway East, Ste B
Phone: 915-850-0900

East Side:
11860 Vista Del Sol, Ste 128
Phone: 915-412-6677

Clinic Location 1

Address: 11860 Vista Del Sol Dr Suite 128
El Paso, TX 79936
: (915) 412-6677
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Clinic Location 2

Address: 6440 Gateway East, Building B
El Paso, TX 79905
Phone: (915) 850-0900
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Clinic Location 3

Address: 1700 N Zaragoza Rd # 117
El Paso, TX 79936
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Push As Rx Crossfit & Rehab

Address: 6440 Gateway East, Building B
El Paso, TX 79905
: (915) 412-6677
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El Paso, TX 79902
: (915) 412-6677
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  1. Disclaimer

    The information herein is not intended to replace a one-on-one relationship with a qualified health care professional, licensed physician, and is not medical advice. We encourage you to make your own health care decisions based on your research and partnership with a qualified health care professional. Our information scope is limited to chiropractic, musculoskeletal, physical medicines, wellness, sensitive health issues, functional medicine articles, topics, and discussions. We provide and present clinical collaboration with specialists from a wide array of disciplines. Each specialist is governed by their professional scope of practice and their jurisdiction of licensure. We use functional health & wellness protocols to treat and support care for the musculoskeletal system’s injuries or disorders. Our videos, posts, topics, subjects, and insights cover clinical matters, issues, and topics that relate and support, directly or indirectly, our clinical scope of practice.* Our office has made a reasonable attempt to provide supportive citations and has identified the relevant research study or studies supporting our posts. We provide copies of supporting research studies available to regulatory boards and the public upon request. We understand that we cover matters that require an additional explanation of how it may assist in a particular care plan or treatment protocol; therefore, to further discuss the subject matter above, please feel free to ask Dr. Alex Jimenez or contact us at 915-850-0900 Read More…

    Dr. Alex Jimenez DC, MSACP, CCST, IFMCP*, CIFM*, CTG*

    email: coach@elpasofunctionalmedicine.com
    phone: 915-850-0900
    Licensed in Texas & New Mexico

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