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.
General Concentration (Abdominal and Obstetrics-Gynecology) Diagnostic Medical Sonography is a radiologic and imaging sciences specialty with nine subspecialties. This emphases prepares students for clinical practice in abdominal and obstetrics-gynecology.Vascular sonography is a required portion of this program.iagnostic Medical Sonography is a radiologic and imaging sciences specialty with nine subspecialties. This emphases prepares students for clinical practice in abdominal and obstetrics-gynecology. Vascular sonography is a required portion of this program.