Sometime in the past few million years, collapse at the top of the cave and surface erosion created the natural entrance of Carlsbad Cavern. This opened previously hidden underground cave passageways to the world above for the first time.
The Society of Diagnostic Medical Sonography (SDMS) defines sonography as diagnostic medical procedure that uses high frequency sound waves (ultrasound) to produce dynamic visual images of organs, tissues, or blood flow inside the body. This type of procedure is often referred to as a sonogram or ultrasound scan.
Diagnostic imaging is a process by which a magnetic image is taken of the human body to diagnose a particular problem the patient may be having.Types of diagnostic imaging include CT scans and magnetic resonance imaging. Read on for more information on this process.iagnostic imaging is a process by which a magnetic image is taken of the human body to diagnose a particular problem the patient may be having.