- What This Cheat Sheet Covers (and What It Does Not)
- The Two-Exam Structure: SPI Plus VT
- VT Exam Snapshot: Format, Timing, and Scoring
- The Seven Domains at a Glance
- Must-Master Topics by Domain
- Fees and Registration Mechanics
- Eligibility Pathways in Brief
- Pass-Rate Figures: Read With Care
- Scheduling Your Review Around the Weights
- After You Pass: Maintenance of Certification
- Where Credentialed Vascular Technologists Work
- Frequently Asked Questions
- RVT requires passing both SPI and Vascular Technology (VT) within five years, in either order.
- Domain 2, Pathology, Perfusion, and Function, carries 32% of the VT exam, the largest single share.
- The VT passing standard is a scaled score of 555 on a 300-700 scale, not a raw percentage.
- VT costs $300 and SPI costs $275; testing outside the US, Canada, and Mexico adds $50 per exam.
What This Cheat Sheet Covers (and What It Does Not)
This page condenses the facts that matter most for the Registered Vascular Technologist credential awarded by the American Registry for Diagnostic Medical Sonography (ARDMS), an Inteleos council. It is a quick-reference layer, not a replacement for the official content outline. Use it to orient yourself, then go deeper with the RVT study guide and the complete guide to all seven RVT exam domains.
One caution up front: the letters "RVT" are shared by several unrelated credentials. Everything below refers only to the vascular ultrasound credential. If a fee, date, or score you find elsewhere does not match what is written here, confirm you are looking at the ARDMS Vascular Technology pages and not a different certification that happens to use the same acronym. If you are still sorting out the terminology, the explainer on what RVT stands for is a good starting point.
The Two-Exam Structure: SPI Plus VT
The RVT is earned by passing two examinations, and you have five years to complete both. The order is your choice.
- Sonography Principles and Instrumentation (SPI): the physics and instrumentation exam shared across ARDMS sonography credentials.
- Vascular Technology (VT): the specialty exam that tests vascular anatomy, pathology, physiologic testing, and related clinical practice.
The seven official content domains and the exam details in this cheat sheet describe the VT exam only. There is no combined SPI/VT test, and the VT domain percentages do not apply to SPI. Many candidates take SPI first because the physics knowledge reinforces the Quality Assurance, Safety, and Physical Principles material that also appears on VT, but the choice is yours. For the full explanation of the credential itself, see what RVT certification is.
VT Exam Snapshot: Format, Timing, and Scoring
| Item | VT Exam Detail |
|---|---|
| Administrator | ARDMS, an Inteleos council |
| Delivery | Pearson VUE test centers, offered year-round |
| Question types | Multiple-choice and hotspot |
| Length | Approximately 170 questions (an approximation, not a guaranteed exact count) |
| Time | Three hours, including a five-minute survey |
| Passing standard | Scaled score of 555 on a 300-700 scale |
Hotspot questions
Hotspot items ask you to click a location on an image rather than choose from a list of text options. For vascular technologists this typically means identifying a structure, a waveform feature, or a region of interest on a displayed image. Practice recognizing anatomy and Doppler findings visually, not just verbally. Reading about a stenosis is not the same as pointing to the right spot on a spectral display.
Why the score is "scaled"
A scaled score of 555 is not 555 out of 700, and it is not a percentage correct. Scaling adjusts for differences in difficulty across exam forms so that the same standard of competence applies regardless of which version you receive. Because you cannot convert a scaled score into a number of questions answered correctly, do not try to reverse-engineer a "safe" raw percentage. Aim for broad competence across every domain instead. The RVT passing score guide walks through how to interpret your result.
The Seven Domains at a Glance
These headings and percentages come from the official Vascular Technology Examination Content Outline, Version 24.1. Note that the outline summary labels Domain 4 "Physiologic Exams" while its detailed section says "Physiologic Examinations"; the summary wording is used here.
| Domain | Name | Weight |
|---|---|---|
| 1 | Normal Anatomy, Perfusion, and Function | 21% |
| 2 | Pathology, Perfusion, and Function | 32% |
| 3 | Surgically Altered Anatomy and Pathology | 6% |
| 4 | Physiologic Exams | 12% |
| 5 | Ultrasound-guided Procedures/Intraoperative Assessment | 7% |
| 6 | Quality Assurance, Safety, and Physical Principles | 14% |
| 7 | Preparation, Documentation, and Communication | 8% |
Two observations are worth internalizing. First, Domains 1 and 2 together account for 53% of the exam: knowing normal vascular behavior and then recognizing how disease changes it is the center of gravity. Second, the smaller domains are not safe to skip. Domains 3, 5, and 7 are individually modest, but together they make up 21%, enough to decide a borderline result.
Must-Master Topics by Domain
The domain names tell you where points live. The topics below are the kinds of competencies a vascular technologist is expected to demonstrate. Treat them as a prompt for your own gap analysis against the official outline rather than an exhaustive list.
Domain 2: Pathology, Perfusion, and Function (32%)
The largest domain asks you to recognize disease and connect it to hemodynamics.
- Arterial disease: stenosis, occlusion, aneurysm, dissection, and how each alters spectral waveforms and velocities
- Venous disease: acute and chronic deep vein thrombosis, superficial thrombophlebitis, and valvular incompetence with reflux
- How flow patterns change proximal to, at, and distal to an abnormality
- Cerebrovascular, visceral, and peripheral arterial and venous applications
Domain 1: Normal Anatomy, Perfusion, and Function (21%)
You cannot call something abnormal without a firm grasp of normal.
- Vessel anatomy and common variants across the cerebrovascular, peripheral, abdominal, and venous systems
- Normal Doppler waveform shapes and what they imply about downstream resistance
- Respiratory phasicity and augmentation behavior in normal veins
Domain 6: Quality Assurance, Safety, and Physical Principles (14%)
This is where vascular-specific application meets ultrasound physics.
- Doppler angle, scale, gain, filter, and baseline settings and their effect on the displayed spectrum
- Recognizing and correcting artifacts such as aliasing
- Bioeffects, ALARA, and equipment quality assurance
Domain 4: Physiologic Exams (12%)
Non-imaging and functional testing remains a distinct skill set.
- Segmental pressures and ankle and toe indices
- Plethysmographic and other physiologic waveforms
- Exercise and provocative testing concepts and how results guide interpretation
Domains 3, 5, and 7 (6%, 7%, and 8%)
The smaller domains reward candidates who prepare on purpose.
- Domain 3: expected appearance and complications after bypass grafts, stents, and other interventions
- Domain 5: ultrasound guidance for procedures and intraoperative assessment
- Domain 7: patient preparation, accurate documentation, and clear communication of findings
If you are weighing how demanding this content is relative to your background, the RVT difficulty guide breaks down where candidates typically feel the strain.
Fees and Registration Mechanics
The current Exam Fee Schedule lists the following. Each fee includes a $100 nonrefundable processing component.
| Item | Amount |
|---|---|
| Vascular Technology (VT) exam | $300 |
| Sonography Principles and Instrumentation (SPI) exam (separately required) | $275 |
| Surcharge for testing outside the United States, Canada, and Mexico | $50 per examination |
Because both exams are required, plan for the combined exam cost, plus any retake fees if a first attempt does not succeed. The processing component is nonrefundable, so confirm your eligibility pathway and documentation before you pay. For a fuller view that includes maintenance-related costs, see the RVT certification cost breakdown.
Eligibility Pathways in Brief
Eligibility is pathway-specific. The SPI Requirement and Specialty Examination Prerequisites document describes separate routes, each with its own documentation and Clinical Verification requirements or exemptions:
- Accredited-program route
- Allied-health route
- Bachelor-degree route
- Physician route
- Qualifying-credential route
Routes based on twelve months of work experience use 1,680 hours. That figure applies to those experience routes only; it is not a universal requirement for every applicant. The most common mistake here is assuming that a rule from one pathway applies to yours. Read the prerequisites document for your specific route and gather documentation before you apply. The RVT requirements guide explains how to match your background to a pathway.
Pass-Rate Figures: Read With Care
Prior-source findings attribute 2025 VT pass rates to the 2025 Global Exam Performance Summary: roughly 70% for first-time candidates, 45% for repeat candidates, and 63% overall. Treat these as preliminary. The underlying PDF could not be re-retrieved during our most recent review, so the numbers are preserved as earlier findings pending direct re-verification rather than as newly confirmed statistics.
There is a second wrinkle: the live VT exam page still displays older 2023 results. Those are a different year and should not be mixed up with the 2025 figures. The practical takeaway is directional. First-time candidates have done meaningfully better than repeat candidates, which argues for preparing thoroughly before your first sitting rather than treating it as a trial run. For the full discussion of what the data can and cannot tell you, read what the RVT pass rate data shows.
Scheduling Your Review Around the Weights
This is the one place where study planning belongs, and it should follow the domain weights rather than a generic template. A sensible sequence front-loads the heavy domains and saves practice-test work for last. The framework below is a starting point; stretch or compress it to fit your timeline, and see the full RVT study guide for deeper planning.
Normal Anatomy and Flow (Domain 1)
- Review vessel anatomy and normal waveforms before tackling disease
- Learn what normal looks like in each vascular bed
Pathology and Hemodynamics (Domain 2)
- Spend the most time here: it is 32% of the exam
- Pair every disease with its expected waveform and velocity changes
Physiologic Testing and Physics (Domains 4 and 6)
- Practice index and pressure calculations and plethysmography interpretation
- Connect instrument settings to artifacts you can recognize on an image
Smaller Domains (3, 5, and 7)
- Cover post-intervention anatomy, procedure guidance, and documentation standards
- Do not skip these just because they are individually small
Timed Practice
- Take full-length timed sets to build pacing for roughly 170 questions in three hours
- Review every miss by domain to find remaining gaps
Key Takeaway
Use practice results to rebalance your time. If your misses cluster in Domain 2, shift hours there before polishing a domain you already handle well. You can drill domain by domain on our RVT practice test.
After You Pass: Maintenance of Certification
Earning the credential is not the end of the obligations. Maintenance includes several moving parts:
- Annual renewal and attestation: completed every year.
- Continuing medical education: 25 CME credits per three-year cycle for cycles ending on or after December 31, 2026, with no specialty-specific CME minimum. Cycles that ended on or before December 31, 2025 required 30 credits.
- SKILLS Knowledge Confirmation: all 40 questions per specialty each year, released as four ten-question quarterly quizzes. You need at least 80% cumulative accuracy by December 31. The requirement begins in the first full calendar year after you earn the certification or specialty.
Where Credentialed Vascular Technologists Work
Vascular technologists perform noninvasive vascular testing in settings that diagnose and monitor circulatory disease. Typical employers include hospitals and health systems with dedicated vascular laboratories, outpatient vascular and cardiology practices, independent diagnostic testing facilities, and vein clinics. Some technologists also support vascular surgery services, including pre-operative mapping and post-operative surveillance. The mix of work you will see mirrors the exam domains: arterial and venous disease evaluation, physiologic testing, and imaging that supports interventions.
Credentials often influence both hiring and pay, though specific figures vary by region and employer. For market context, explore the RVT jobs overview, the RVT salary guide, and the analysis of whether RVT certification is worth it.
Frequently Asked Questions
No. You must pass both SPI and Vascular Technology within five years, and you may take them in either order. Choose the sequence that fits your preparation and schedule.
The passing standard is a scaled score of 555 on a 300-700 scale. It is not a raw percentage, so you cannot translate it into a fixed number of correct answers.
ARDMS describes approximately 170 questions, delivered as multiple-choice and hotspot items over three hours that include a five-minute survey. Treat 170 as an approximation rather than a guaranteed exact count.
Domain 2, Pathology, Perfusion, and Function, is the largest at 32%, and Domain 1 adds another 21%. Prioritize them, but still cover the smaller domains, which together account for a meaningful share of the exam.
The current fee schedule lists $300 for VT and $275 for the separately required SPI, each including a $100 nonrefundable processing component. Testing outside the United States, Canada, and Mexico adds $50 per examination. Retakes and maintenance are additional.
Keep this sheet handy as a checkpoint, and confirm any time-sensitive detail, especially fees, dates, and maintenance rules, directly on the Inteleos pages before you act on it. When you are ready to test your recall under realistic conditions, start with the RVT Exam Prep practice questions.