ULTRASOUND PROBE FREQUENCY 1. Linear a. 20 2. Endoscopic b. 10-12 3. Curvilinear c. 7-10 4. Endocavitatory d. 3-5
Correct Answer: 1-B, 2-A, 3-D, 4-C
Description: Different types of Probes / transducers Curvilinear probe Linear probe Endocavitary probe - 3-5 MHz (Low frequency) - Greater wavelength - Greater penetration - Poor resolution -Used for imaging deep structures e.g. kidney, ovary, fetal pas etc. - 10-12 MHz (high frequency) -Low wavelength - Poor penetration - Good resolution - Used for superficial structures e.g. thyroid, breast, scrotum etc. - 7- 10 MHz (Good frequency) - TVS (Transvaginalsonography) - TRUS (Transrectalultrasound) - TEE (Trans esophagealechocardiography) TVS (Trans vaginal sonography) IOC for Ectopic pregnancy Bladder must be empty before doing TVS - Endoscopic Ultrasound (EUS) Uses frequency of 20 MHZ Very good resolution Divides gut wall into 5 layers EUS is the IOC for local invasion or T staging of early esophageal cancer (IOC for Advanced esophageal Carcinoma - CECT)
Category:
Radiology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now