1.• Infrasound refers to extreme bass waves or vibrations, those with a frequencybelow the audibility range of the human ear (i.e. < 20 Hz).• Hence, these waves cannot…

Slide 1 Slide 2 Ultrasound is a high frequency sound that you cannot hear, but it can be emitted and detected by special machines. Ultrasound travels freely through fluid…

INTRODUCTION TO BASIC ULTRASOUND INTRODUCTION PAGE History and Definition 2-2 Sonographic Abbreviations & Terminology 2-3 Basic Formulae 2-4 PHYSICS AND INSTRUMENTATION…

Slide 1 Sound Name: ________________ Class: _________________ Index: ________________ Slide 2 Objectives -- describe the production of sound by vibrating sources. -- describe…

Ultrasound is a high frequency sound that you cannot hear, but it can be emitted and detected by special machines. Ultrasound travels freely through fluid and soft tissues.…

Cygnus Instruments Ltd Paul Fahy Introduction to ultrasonic hatch cover testing www.cygnus-instruments.com Introduction Welcome to Cygnus Instruments The pioneers in developing…

THERAPEUTIC ULTRASOUND Mohammed TA, Omar Ph.D. PT King Saud university College of Applied Medical Science Rehabilitation Health Science DEEP HEATING –ULTRASOUND Objectives:…