Diagnostic Medical Sonography, Associate of Applied Science

Diagnostic Medical Sonography

Associate of Applied Science

Program Overview

The Diagnostic Medical Sonography Program educates the student in a career as a Diagnostic Medical Sonographer. A diagnostic medical sonographers is a highly-skilled professional who use specialized equipment to create sonograms of structures inside the human body and collaboratively work with radiologists and other specialized physicians to assist effectively toward a medical diagnosis. 

Upon completion of this program, the student will be eligible to sit for the American Registry of Radiologic Technologists-Sonography ARRT(S) exam, to become a Registered Technologist–Sonography RT(S).


Program Mission

The Diagnostic Medical Sonography program strives to provide an educational experience that will produce competent entry-level medical sonographers in the cognitive (knowledge), psychomotor (skills), and affective (behavior) learning domains.


Job Opportunities



Salaries for Registered Diagnostic Medical Sonographers vary depending on the setting (hospital, private practice, home health, outpatient rehab centers, etc.) and location. The average annual salary for new Registered Sonographers for this region is approximately $65,000 a year.


Program Costs

The tuition and fees schedule for the DMS student is the same as for regular college students. See the current LC catalog to determine fees. Students are charged tuition and fees based on their residency classifications at the time of registration. The tuition and fees schedules are based on semester hours. Additional expenses for DMS students include the purchase of a uniform(s), a watch, tennis shoes, books software, liability insurance, and Standard Exam fees. TB skin test, immunizations, a physical exam, CPR certification fees, CastleBranch, personal laptop, DMS software needed throughout the program, and Trajecsys are at the student's expense.

The approximate costs for special items for the DMS student are as follows (these fees are subject to change according to current applicable rates):

  • Admission Costs (background check, physical, CPR, etc.) $300.00
  • Uniforms $350.00
  • Books $2,500.00
  • SDMS Membership/DMS Club Fees $150.00
  • Capstone review $150.00
  • Laptop/Software $1,000.00



Laredo College is accredited by the Southern Association of Colleges and Schools Commission on Colleges (SACSCOC) to award associate and baccalaureate degrees as well as certificates. Contact the Southern Association of Colleges and Schools Commission on Colleges, 1866 Southern Lane, Decatur, Georgia 30033-4097, telephone (404) 679-4500, at http://www.sacscoc.org for questions about the accreditation of Laredo College.

The Laredo College Diagnostic Medical Sonography Program is an ARRT-approved, educational program. Upon graduating from the program, the students are eligible to follow the Primary Eligibility Pathway to seek the ARRT(S) credential. For more information, please click here: ARRT(S) 


Marketable Skills

In addition to acquiring the knowledge and skills required to become a diagnositc Medical Sonographer, students also develop marketable skills that are valued by employers. These skills include:

  • Active Listening
  • Monitoring
  • Speaking
  • Reading Comprehension
  • Critical Thinking



Community members may submit concerns or complaints about Laredo College's DMS Program, faculty, students, or program graduates. Comments must be submitted by completing the Complaint Referral Form. Completed forms should be emailed to Hortencia Gonzalez, Associate Professor and Diagnostic Imaging Program Director at hortencia.gonzalez@laredo.edu.


Campus Location

Laredo College South Campus

College of Helath Sciences

5500 South Zapata Highway

Laredo, TX. 78046

For additional information, students may contact Ms. Hortencia Gonzalez at 956-721-5262 or via email hortencia.gonzalez@laredo.edu.


Program Effectiveness Data

Data collection in progress.


Admission Information

 1. Application

1. Follow the application process for the Health Sciences Programs.  
Applications are being accepted from March 1st through the last Thursday in May

2. Selection Process

2. Admission into the Diagnostic Medical Sonography Program is based on:

a. GPA (25%) The student must have a cumulative grade point average of 2.5 or greater and achieve a grade of "C" or better on all required prerequisite courses. A student who has not attended LC must have a cumulative grade point average of 2.5 or greater from each academic institution attended and a grade of "C" or better on all prerequisite courses.

b. Entrance Exam HESI Admission’s Test (25%) HESI Information.

c. Introduction to Sonography course (25%) 

d. Interview (25%)

3. The top 20 finalists according to GPA, Entrance Exam, and Introduction to Sonography scores will be considered.  The top 10 finalists who score the highest on the admission criteria (GPA, entrance exam, Introduction to Sonography scores, and Interview) will be invited to join the DMS program in the fall semester.  

4. The applicant will be notified by LC's official means of communication regarding the program admission status.  

5. Students will be ranked based on the highest percentage points awarded, and a maximum of 10 students will be accepted. Due to program size limitations, a number of applicants who meet the program admissions requirements may not be admitted to the program. 
The DMS Program adheres to the Equal Opportunity Policy as listed in the LC Manual of Policy FA (LEGAL), click here to access policy.


3. Acceptance

A student accepted into he DMS program must submit the following prior to the first day of class (the student is responsible for all fees associated with these procedures):

1. A completed Health Sciences Department Immunization Verification form that includes: Please click here to access form.
      a. Proof of Immunizations (Hepatitis A (Recommended), Hepatitis B, MMR, Varicella, Bacterial Meningitis)
      b. TB skin test of chest x-ray (every 2 years)
      c. Tetanus, Diphtheria, and Pertussis (Tdap) shot (every 10 years)
2. American Heart Association BLS Health Care Provider CPR certification.  Certification must remain current for the duration of the program.
3. A negative 10-Panel urine drug screen
4. A completed Health Sciences Department Physical Examination Form.  Please click here to access form.
5. Influenza vaccine (annually)
6. The Laredo College Diagnostic Medical Sonography Program students are required to obtain a criminal background record on an annual basis for any student who may be placed in a clinical site that deals with care of elderly, the care of children, and the care of the client in a mental health facility.  All student applications shall submit a negative background check to be considered eligible for acceptance and continuation in the DMS Program.  A negative criminal background check completed through CastleBranch.com and from the local sheriff's office needs to be provided as stated on the Health Sciences Department Application.  
Documentation of a negative criminal background must be submitted to complete the application and admission process after being accepted to the program.


Program Student Handbook

To access 2023-2024 DMS Student Handbook, click here



Plan of Study

Recommended Course Sequence Semesters Offered Credit Hours
BIOL 2301– Anatomy and Physiology I (C) Fall, Spring, Summer I & II 3
MATH XXX – College Math Course Fall, Spring, Summer I & II 3
ENGL 1301 – Composition I (C)      Fall, Spring, Summer I & II 3
PHYSICS 1315 – Physical Science I Fall, Spring, Summer I & II 3
PHYSICS 1115 – Physical Science I Lab Fall, Spring, Summer I & II 1
DMSO 1110 – Introduction to Sonography Fall, Spring, Summer I & II 1
First Semester - Fall Admission
DMSO 1201 – Techniques of Medical Sonography Fall 2
DMSO 1202 – Basic Ultrasound Physics Fall 2
BIOL 2302 – Anatomy and Physiology II (C) Fall 3
PHIL 2306 – Introduction to  Ethics (C)  Fall 3
10 Hours
Second Semester – Spring
DMSO 1242 – Intermediate Ultrasound Physics Spring 2
DMSO 1441 – Abdominopelvic Sonography Spring 4
DMSO 2405 – Sonography of Obstetrics/Gynecology Spring 4
DMSO 1260 – Clinical – DMS/Sonographer and US Technician Spring 2
Summer Session I
DMSO 1261 – Clinical – DMS/Sonographer and US Technician SSI 2
Summer Session II
DMSO 2260 – Clinical – DMS/Sonographer and US Technician SSII 2
Third Semester – Fall 
DSVT 1103 – Introduction to Vascular Technology Fall 1
DMSO 2342 – Sonography of High-Risk Obstetrics Fall 3
DMSO 1355 – Sonographic Pathophysiology Fall 3
DMSO 2261 - Clinical – DMS/Sonographer and US Technician Fall 2
Fourth Semester – Spring
PSYCH 2314 – Life Span Growth and Development Spring 3
DMSO 2253 – Sonography of Superficial Structures Spring 2
DMSO 2245 – Advanced Sonography Practices Spring 2
DMSO 2230 – Advanced Ultrasound and Review Spring 2
DMSO 2262 - Clinical – DMS/Sonographer and US Technician Spring 2

(C) This course coutns for the Core Curriculum at any public college or university in Texas

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DMS Guided Pathway