ARDMS SPI Exam Details & Actual Exam Questions
- Exam Code/Number: SPI
- Exam Name/Title: Sonography Principles and Instrumentation
- Certification Provider: ARDMS
- Corresponding Certification: ARDMS SPI
- Exam Questions: 208
- Updated On: Jul,25 2026
- Certification Level: Associate
ARDMS Sonography Principles and Instrumentation Exam Questions
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(18 Up Votes)ARDMS SPI Exam Overview:
| Certification Vendor: | ARDMS |
| Exam Name: | Sonography Principles and Instrumentation Examination |
| Exam Number: | SPI |
| Exam Format: | Computer-based testing, Multiple-choice questions |
| Passing Score: | 555 (scaled score) |
| Real Exam Qty: | Approximately 110 multiple-choice questions |
| Certificate Validity Period: | 5 years (renewal required per ARDMS certification maintenance policy) |
| Exam Duration: | 120 minutes |
| Exam Price: | $250 USD (may vary by region) |
| Available Languages: | English |
| Related Certifications: | RDMS RDCS RVT |
| Recommended Training: | Society of Diagnostic Medical Sonography (SDMS) Resources ARDMS SPI Exam Preparation Resources |
| Exam Registration: | ARDMS Registration Portal Pearson VUE Scheduling |
| Sample Questions: | ARDMS SPI Sample Questions |
| Exam Way: | Computer-based exam delivered at authorized Pearson VUE testing centers or online proctored options depending on region. |
| Pre Condition: | No formal prerequisite required, but foundational knowledge in physics and medical imaging is recommended. SPI exam is often taken as a prerequisite or co-requisite for ARDMS specialty certifications. |
| Official Syllabus URL: | https://www.ardms.org |
ARDMS SPI Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Doppler Ultrasound Principles | - Hemodynamics and flow interpretation - Spectral and color Doppler - Doppler effect and frequency shift |
| Topic 2: Transducers and Instrumentation | - Transducer design and piezoelectric effect - Image display and processing systems - Beam formation and focusing |
| Topic 3: Physical Principles of Ultrasound | - Attenuation, reflection, and refraction - Propagation of ultrasound in tissue - Sound wave fundamentals |
| Topic 4: Bioeffects and Safety | - Thermal and mechanical indices - ALARA principle and safety guidelines - Biological effects of ultrasound |
| Topic 5: Quality Assurance and Equipment Optimization | - Artifacts and troubleshooting - Performance and quality control - Image optimization techniques |
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