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Medical Device Expert Witness: How Technology Saves Lives

By Dr. Chris Daft Engineering inventions to improve health date back at least to 1850, when the famous physicist Hermann von Helmholtz devised the ophthalmoscope. One of the first medical devices, it allows a doctor to look at the interior of a patient’s eye. In the latter part of the 20th century the pace of… read more

Psychiatric Expert Witness on Collateral Evidence in Will Contest Cases

By Karen Reimers, MD  Direct clinical examination of the testator is the basis for contemporaneous assessment of testamentary capacity. In retrospective assessments where the testator is deceased, experts rely on collateral evidence, i.e. alternative sources of data about a testator’s testamentary capacity and mental function. Retrospective Assessment In the majority of retrospective assessments of testamentary… read more

Ultrasound Expert Witness: What Ultrasound is and How It Works

By Dr. Chris Daft What is ultrasound? “Ultra” is a Latin word meaning “beyond,” or “on the far side of,” so “ultrasound” simply means sound which is too high for humans to hear. This is typically considered to encompass frequencies above 20 kHz (20,000 cycles per second).  The hearing of dogs and bats extends into… read more

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