How Physics Explains Trauma in Surgery
Momentum, kinetic energy and thermodynamics explain injury patterns and guide surgical decision-making. From impulse–momentum theorem to hypothermia prevention in the OR.
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Published
9
Live articles available to read now.
Topics
5
Trauma, imaging, biomechanics, fluids, board prep.
Avg. Read
5
Minutes per article, rigorously sourced.
Author
PhD
Frank Ureña, Molecular Biosciences & MD candidate.
Published Archive
All 9 live articles
Each article applies fundamental physics to a real clinical or scientific scenario, with MathJax equations, sourced references, and an upgraded reading experience.
Why MRI Works: A Physics Perspective
From nuclear spin and the Larmor equation to T1/T2 relaxation and contrast agents — the quantum and electromagnetic physics behind MRI explained clearly.
Read article →Common NBME Traps in Physics-Based Reasoning
Unit conversion errors, forgotten factors of ½, mixed-up force laws — how to identify and avoid the most common physics mistakes on USMLE/NBME examinations.
Read article →Physics in Orthopedic Surgery: Forces, Fractures and Fixation
Young's modulus, stress/strain, and material fatigue applied to fracture mechanics, fixation device selection, and postoperative rehabilitation planning.
Read article →Why X-Rays Work: The Physics Behind Radiography
Bremsstrahlung, photoelectric absorption, Planck's relation, ALARA principle, and how digital detectors improve dose efficiency over film-based systems.
Read article →Energy Transfer in Fractures: Impact, Patterns and Prevention
How kinetic energy magnitude, transfer rate, and loading geometry determine fracture morphology, biological healing, and the design of protective equipment.
Read article →Physics of CT Scans: Reconstruction, Radiation and Contrast
Hounsfield units, filtered back projection, iterative reconstruction, beam hardening artefacts, and how radiation dose is managed in modern multi-detector CT.
Read article →Fluid Dynamics in Blood Flow: Viscosity, Pressure and Turbulence
Poiseuille's law, Reynolds numbers, the Fahraeus–Lindqvist effect, and how turbulent flow produces murmurs and accelerates atherosclerotic plaque rupture.
Read article →Why Shock Happens: Physics and Physiology of Hemodynamic Collapse
Ohm's law analogy for circulation, oxygen delivery vs. consumption, the four shock types mapped to their physical failure modes, and evidence-based resuscitation.
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