2
Organization
ARDMS
CCI
ARRT
Credential
RDMS
RDCS
RVT
RPVI
RCS
RVS
ARRT(S)
ARRT(VS) ARRT(BS)
Exam(s)
UPI
Abdomen
Breast
OB/GYN
Neurosonology
CPI
Adult Echo
Fetal Echo
Pediatric
Echo
VPI
Vascular
Technology PVI
Cardiovascular
Science
Examination
Non-invasive
Echo
Registry
Cardiovascular
Science
Examination
Non-invasive
Vascular
Registry
Sonography Vascular
Sonography
Breast
Sonography
# Questions
(multiple
choice)
120
170
120
150
120
170
201
130
140
130
150
250
160
185
Length (# of
hours)
2
3
2
3
2
3
4
2.5
2.5
2.5
3
4.5
3.25
3.5
Computer
format
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Each question
of equal value
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No deductions
for incorrect
response
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Passing score
65-75%
70%
scaled score of 75%
ARDMS
American Registry for Diagnostic Medical Ultrasound
ARRT
American Registry of Radiologic Technology
CCI
Cardiovascular Credentialing International
CPI
Cardiovascular Principles and Instrumentation Examination
UPI
Ultrasound Physics and Instrumentation Examination
VPI
Vascular Physical Principles and Instrumentation Examination
RCS
Registered Cardiac Sonographer
RVS
Registered Vascular Sonographer
RDCS
Registered Diagnostic Cardiac Sonographer
RDMS
Registered Diagnostic Medical Sonographer
RVT
Registered Vascular Technologist
PVI
Physicians’ Vascular Interpretation Examination
RPVI
Registered Physician in Vascular Testing
