Ultrasound vs. X-rays, what are the differences?

Both ultrasound and X-rays are used in medical diagnosis. We look at the differences in their physical properties and the applications differences between the two as applied in medical diagnosis.

ultrasound vs. X-rays

Table 1: Physical Property differences between Ultrasound and X-rays

Property
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Ultrasound Scanning Techniques

Introduction

Imaging systems employ pulsed ultrasound or the pulsed Doppler mode. The instrumentation system consists of:

  • An electrical signal source to vibrate the crystal
  • Piezoelectric crystal (transmits ultrasound)
  • A second crystal or the same crystal to receive echoes
  • Amplifier
  • Display
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How Ultrasound Measurements are used in Medical Diagnosis

Introduction

The application of ultrasonic in medical field is based on sonar principle as used by bats, anglers with fish detectors, and ships at sea. This is a totally non-invasive procedure. Acoustic waves are easily transmitted in water and are … Read More

Introduction to Medical Diagnostic Techniques

Diagnostic techniques are investigations and tests performed on patients with the intention to identify the cause of illness. The ultrasound is sonic energy at frequencies above the audible range. The most widely used applications of ultrasound in diagnostic medicine involve … Read More