Medical Application of Ultrasound
Medical Application of Ultrasound
Ultrasound : Sound waves eoth frequencies higher thanthe upper audible limit of human hearing are called ultrasound. The limit varies from person to person but is approximately 20,000 Hertz. The physical properties of ultrasound are similar to the normal audible sound.
1. In Internal investigation of Human Body: Ultrasound is used to investigate the internal organs of human body such as liver, gall bladder, pancreas, kidneys, uterus and heart, etc. Ultrasound waves can penetrate the human body and different types of tissues and get reflected in different ways from a region where there is a change of tissue density. In this way, ultrasound helps us to see inside the human body and to give pictures of the inner organs by converting into electrical signals. These pictures or images are then displayed on a monitor or printed on a film. This technique is called ultrasonography.
Ultrasonography is used for the examination of foetus during pregnancy to detect any growth abnormalities, which helps in taking the necessary action to rectify the abnormalities.
2. Ultrasound is also used in the evaluation of blood flow in the blood vessels.
3. Can also be used for assessment of thyroid gland in our neck.
4. Ultrasonic scanner is an instrument that helps the doctor to detect abnormalities, such as stones in the gall bladder and kidney or tumours in different organs and many other ailments. Ultrasound is also used for diagnosing heart diseases by scanning the heart from inside. This technique is echocardiography.
5. Ultrasound may be employed to break small stones formed in the kidneys into fine grains which later get flushed out with urine. This way, the patient gets relief from pain.This is known as lithotripsy.
Medical ultrasound (also known as diagnostic sonography or ultrasonography) is a diagnostic ____________ technique. | |||
| Right Option : B | |||
| View Explanation | |||
As an ultrasound pulse moves through tissue in a patient's body it will not undergo a change in: | |||
| Right Option : A | |||
| View Explanation | |||
To estimate the change in an ultrasound pulse passing through tissue you would need to know: | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [10]
My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
