Week 4- DMS 241 Interventional Procedures

list some examples of US guided procedures:

biopsy

draining fluid

Assist in the placement of tubes/catheters

list some responsibilities of a sonographer during a US guided procedure:

cleaning the surgical site

-scrubbing skin

-shaving area

applying sterile drapes after skin prep

when is a core biopsy required?

when imaging does not allow for definite characterization of a lesion

how many samples are gathered in a core biopsy?

3-6

what gauge needle is used for core biopsy?

14 to 18 gauge

what is a fine needle aspiration?

cells and tissue are obtained by placement of the needle into the targeted mass with back-and-forth movement to collect tissue

fine needle aspiration is normally used for _______________ biopsy

thyroid

thoracentesis

removal of fluid from pleural space

paracentesis

removal of ascitic fluid from the peritoneal sac

what is vascular access (VA ) used for?

tracking needle in real time

evaluation of guide wire

During liver biopsy, you should always observe the needle crossing the ________________ before deploying the cutting device

capsule

while a liver biopsy is being performed breath is held in ______________________

expiration

informed consent must be performed by _____________________ with every procedure

rad

what gauge needle is most commonly used to administer lidocaine?

22

what length needle should be used to administer lidocaine to an obese patient?

6cm

what length needle should be used to administer lidocaine to a skinny patient?

3.5cm

what gauge needle is used for a FNA of the thyroid?

25

color code of the 22 gauge needle:

black

color code of the 25 gauge needle:

light blue

color code of 18 gauge needle:

pink

a thyroid FNA sample is mixed in a _______________________ solution

cytolight

If more than _____L of fluid is removed during a paracentesis, the patient will have to go to infusion

5

at infusion the patient is given ______________

albumin