Ultrasound & Central Lines (Exam III) Flashcards
What transducer (and frequency) is best for resolution and superficial depths?
Linear (7-15mHz)
What transducer (and frequency) is useful for echocardiography?
Phased (1-3 mHz)
What transducer (and frequency) is best for deeper tissues?
CurviLinear (2-5mHz)
Gain is the way to adjust _____ and ____ _____.
brightness; signal quality
What is the assessment point for the RUQ?
- Morison’s Pouch
What is the assessment point for the LUQ?
- Peri-splenic view
What is the assessment point for an ultrasound pelvic view?
- Suprapubic
What is the assessment point for the cardiac view?
- Cardiac View
What are potential indications for gastric ultrasound?
What are the various grades for gastric ultrasound assessment?
- Grade 0 antrum → empty
- Grade 1 antrum → <1.5 mL/kg
- Grade 2 antrum → >1.5mL/kg
- Solid food
What are contraindications to CVL placement?
- Renal cell tumor extending into atrium
- Tricuspid valve vegetation (Thanks Camille!)
- Site infection or similar issue
What is the distance from the right IJ to the cavoatrial junction?
15 cm
What is the distance from the left IJ to the cavoatrial junction?
18 cm
What is the distance from the right subclavian vein to the cavoatrial junction?
14 cm
What is the distance from the left subclavian vein to the cavoatrial junction?
17 cm