Dr. Troy Zhou
Dr. Troy Zhou May 12, 2025 • 1 min read

Lead Shielding Design Principles in Diagnostic Imaging and Nuclear Medicine

Lead shielding design principles for CT, fluoroscopy, interventional radiology, PET/CT, and radionuclide therapy—workload, use factor, occupancy, and barrier design.


325
Dr. Troy Zhou
Dr. Troy Zhou April 7, 2025 • 1 min read

Getting to the Core: Understanding CTDIvol and DLP in CT Dose Optimization

Physics Pulse Series overview of CTDIvol and DLP, explaining how these standardized CT dose metrics relate to scanner output, protocol optimization, and patient dose management.


322
Dr. Troy Zhou
Dr. Troy Zhou March 21, 2025 • 1 min read

Siemens CT Reconstruction Kernels: Understanding Image Sharpness and Quantitative Accuracy

Physics Pulse Series overview of Siemens CT reconstruction kernels, explaining kernel naming, resolution characteristics, and how kernel selection affects image quality and quantitative accuracy.


370
Ramses Herrera Habsburg
Ramses Herrera Habsburg February 28, 2025 • 1 min read

CT Protocol Optimization - Balancing Dose, Image Quality, and Compliance

Physics Pulse Series on CT protocol optimization: balancing diagnostic image quality with minimal radiation dose while meeting ACR and Joint Commission requirements.


316
Nick Wellnitz
Nick Wellnitz February 20, 2025 • 1 min read

ACR Accreditation Physics Requirements

Comprehensive guide to ACR accreditation physics requirements, including testing protocols, documentation needs, and submission requirements for various imaging modalities.


214
Dr. Troy Zhou
Dr. Troy Zhou January 24, 2025 • 1 min read

Evaluating the SMPTE Pattern: Ensuring Monitor Performance for Accurate CT Interpretation

Physics Pulse Series on SMPTE pattern evaluation: ensuring monitor performance, ACR compliance, and accurate diagnostic image interpretation.


367