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Friday, February 13, 2009

Ultrasonography - Lesson 49

Diagnostic ultrasonography is an ultrasound-based diagnostic imaging technique used to visualize subcutaneous body structures such as muscles, joints, blood vessles, tendons, and internal organs using ultrasound waves that is inaudible sound waves to produce an image or photogrpah of an organ or a tissue for possible pathology or lesions.

In physics the term "ultrasound" applies to all acoustic energy with a frequency above human hearing (20,000 hertz or 20 kilohertz).

Typical diagnostic sonographic scanners operate in the frequency range of 2 to 18 megahertz, hundreds of times greater than the limit of human hearing. The choice of frequency is a trade-off between spatial resolution of the image and imaging depth: lower frequencies produce less resolution but image deeper into the body.

Obstetric sonography is commonly used during pregnancy and is widely recognized by the public. There are a plethora of diagnostic and therapeutic applications practiced in medicine.

Sonography (ultrasonography) is widely used in medicine. It is possible to perform both diagnosis and therapeutic procedures, using ultrasound to guide interventional procedures (for instance biopsies or drainage of fluid collections).

Sonographers are medical professionals who perform scans for diagnostic purposes. Sonographers typically use a hand-held probe (called a transducer) that is placed directly on and moved over the patient. A water-based gel is used to couple the ultrasound between the transducer and patient.

Sonography is effective for imaging soft tissues of the body. Superficial structures such as muscles, tendons, testes, breast and the neonatal brain are imaged at a higher frequency (7-18 MHz), which provides better axial and lateral resolution.

Deeper structures such as liver and kidney are imaged at a lower frequency 1-6 MHz with lower axial and lateral resolution but greater penetration.

In the next we will see about transurethral resection of the prostate gland (TURP) ..ok
Come on...

Medical Transcription Exercises

F. COMPLETE THE MEDICAL TERM FROM ITS MEANING GIVEN BELOW:

1. white blood cell: ____________________ cyte.
2. inflammation of the stomach: gastr ____________________.
3. pertaining to produced by treatment: ____________________genic.
4. study of kidneys: ____________________cyte.
5. mass of blood: ____________________oma.
6. viewing of living tissue: bi____________________.
7. red blood cell: ____________________cyte.
8. pain of nerves: neur____________________.
9. process of viewing: endo____________________.
10. inflammation of the small intestine: ____________________itis.

G. MATCH THE ENGLISH TERM IN COLUMN I WITH ITS COMBINING FORM IN COLUMN II


1. kidney ____________________ psych/o
2. disease ____________________ ophthalm/o
3. eye ____________________ oste/o
4. to cut ____________________ radi/o
5. nose ____________________ path/o
6. flesh ____________________ ren/o
7. mind ____________________ radi/o
8. urinary tract ____________________ onc/o
9. bone ____________________ sarc/o
10. x-rays ____________________ thromb/o
11. clotting ____________________ ur/o
12. tumor ____________________ sect/o

H. GIVE THE MEANING OF THE ENTIRE TERM COMBINING FORM AND UNDERLINE THE SUFFIX

1. opthalmoscopy ____________________.
2. ophthalmoscope ____________________.
3. oncology ____________________.
4. osteitis ____________________.
5. psychosis ____________________.
6. thrombocyte ____________________.
7. renal ____________________.
8. nephrectomy ____________________.
9. osteotomy ____________________.
10. resection ____________________.
11. carcinogenic ____________________.
12. sarcoma ____________________.

I. MATCH THE FOLLOWING

1. –algia ____________________ abnormal condition
2. –ion ____________________ record
3. –emia ____________________ pertaining to produced by or produced in
4. –gram ____________________ instrument to visually examine
5. –scope ____________________ pain
6. –osis ____________________ blood condition
7. –ectomy ____________________ removal, excision, resection
8. –genic ____________________ process
9. –pathy ____________________ inflammation
10. –tomy ____________________ cell
11. –itis ____________________ disease condition
12. –cyte ____________________ incision, process of cutting into

J. SELECT THE CORRECT WORD FROM HERE TO FILL THE BLANKS:

hepatoma
iatrogenic
exocrine glands
endocrine glands
neuralgia
carcinogenic
hematoma
leukemia
cystitis
enteropathy
arthralgias
leukocytosis


1. Cigarette smoking is an instance of (a) ____________________ substance.

2. When there is an abnormal condition of slight increase in white blood cells due to infection in the body, this condition is called ____________________.

3. A tumor of the liver is (a) ____________________.

4. The medical term for pain from joints is ____________________.

5. Organs that secrete chemicals (hormones) directly into the blood are called ____________________. Examples are the thyroid gland in the neck, the pituitary gland at the base of the brain, and the adrenal glands on top of the kidneys.

6. Organs that secrete chemicals out of the body through tubes (ducts) are called ____________________. Examples are sweat, tear, and salivary glands

7. The medical term for pain from nerves is ____________________.

8. Ms. James went to her physician with complaints of pain when urinating. The physician’s diagnosis of her condition was inflammation of the urinary bladder, also known as ____________________.

9. A collection (mass) of blood (under the skin) is (an) ____________________.

10. Mr. Remo’s white blood cell count is 10 times higher than normal. Examination of his blood shows cancerous white blood cells. His diagnosis is ____________________.

11. After receiving treatment for her urinary tract infection, Ms. Yonny developed a severe rash and fever from the medication prescribed by the doctor. Her condition is said to be ____________________.

12. After coming back from his trip and eating strange foods, Mr. Kumar had a disease (condition of his intestines) called ____________________.


K. GIVE THE MEANINGS OF THE PREFIXES.:

1. re- ____________________.
2. sub- ____________________.
3. ex- ____________________.
4. peri- ____________________.
5. trans- ____________________.
6. a-, an- ____________________.
7. auto- ____________________.
8. retro- ____________________.
9. endo- ____________________.
10. epi- ____________________.
11. hypo- ____________________.
12. hyper- ____________________.
13. pro- ____________________.
14. dia- ____________________.


Next post continues this exercise...ok

Come on...