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Spring Semester 2013 > Chapter 19 US Guided Interventional Techniques > Flashcards

Chapter 19 US Guided Interventional Techniques Flashcards

1
Q

Method of performing an ultrasound guided procedure without the use of a needle guide on the transducer

A

free-hand technique

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2
Q

Defect in blood clotting mechanisms

A

coagulopathy

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3
Q

Diminished blood volume

A

hypovolemia

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4
Q

Method developed to standardized prothrombin time (PT) results among labs by accounting for the different thromboplastin reagents used to determine PT

A

international normalized ratio

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5
Q

Collection of air or gas in the pleural cavity

A

pneumothorax

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6
Q

Lab test that measures levels of this antigen in the body, elevated levels of which could indicate prostate cancer

A

PSA-prostate specific antigen

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7
Q

Decreased systolic and diastolic blood pressure below normal

A

hypotension

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8
Q

Lab test that can be used to evaluate the effects of heparin, aspirin, and antihistamines on the blood clotting process by detecting clotting abnormalities of the intrinsic and common pathways

A

PTT- partial thromboplastin time

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9
Q

Surgical puncture of the chest wall for removal of fluids; usually done by using a large bore needle

A

thoracentesis

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10
Q

Concerning the action of stimuli from the vagus nerve on blood vessels; vasovagal syncope is a brief loss of consciousness caused by a sudden drop in heart rate and BP, whichreduced blood flow to the brain

A

vasovagal

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11
Q

AFP=

A

alpha fetoprotein

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12
Q

FNA=

A

fine needle aspiration

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13
Q

INR=

A

international normalized ratio

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14
Q

PSA=

A

prostate specific antigen

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15
Q

PT=

A

prothrombin time

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16
Q

PTT=

A

partial thromboplastin time

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17
Q

Discuss the main advantages of using US for biopsy guidance.

A

real time video, flexible patient positioning, portability, lack of radiation, decreased cost, shorter procedure times

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18
Q

List the limitations of US biopsy guidance.

A

Not all masses can be visualized, bowel gas, needle may deviate, fixed angles, inexperienced sono techs

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19
Q

The most common indication for a biopsy is to confirm ___ in a mass.

A

malignancy

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20
Q

Identify the contraindications of a biopsy.

A

Uncorrectable bleeding disorder, lack of safe needle path, uncooperative patient

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21
Q

Which lab test is used to evaluate the effects of heparin, aspirin, and antihistamines on the blood clotting process?

A

PTT- partial thromboplastin time

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22
Q

Biopsies are used to confirm if a mass is ___, ___, or ___.

A

benign, malignant, infectious

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23
Q

A ___ uses an automated, spring loaded device, termed a biopsy gun, to provide a core of tissue for histologic analysis.

A

core biopsy

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24
Q

FNA uses a __ needle to obtain cells from a mass.

A

thin

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25
One method of US guided intervention is called the ___ technique and is performed without the use of a needle guide on the transducer.
free hand
26
Identify the benefits of using a needle guide.
faster learning curve, faster needle placement, assurance that the needle is going through the anesthetized area when multiple passes are required
27
The patient must be informed of the potential ___, alternate methods of obtaining the same info, and what would be the course of the disease if the biopsy were not performed and the correct treatment could not be planned.
risks
28
AFP=
alpha fetoprotein
29
FNA=
fine needle aspiration
30
INR=
international normalized ratio
31
PSA=
prostate specific antigen
32
PT=
prothrombin time
33
PTT=
partial thromboplastin time
34
Defect in blood clotting mechanisms
coagulopathy
35
Diminished blood volume
hypovolemia
36
Method developed to standardized prothrombin time (PT) results among labs by accounting for the different thromboplastin reagents used to determine PT
international normalized ratio
37
Collection of air or gas in the pleural cavity
pneumothorax
38
Lab test that measures levels of this antigen in the body, elevated levels of which could indicate prostate cancer
PSA-prostate specific antigen
39
Decreased systolic and diastolic blood pressure below normal
hypotension
40
Lab test that can be used to evaluate the effects of heparin, aspirin, and antihistamines on the blood clotting process by detecting clotting abnormalities of the intrinsic and common pathways
PTT- partial thromboplastin time
41
Surgical puncture of the chest wall for removal of fluids; usually done by using a large bore needle
thoracentesis
42
Concerning the action of stimuli from the vagus nerve on blood vessels; vasovagal syncope is a brief loss of consciousness caused by a sudden drop in heart rate and BP, whichreduced blood flow to the brain
vasovagal
43
AFP=
alpha fetoprotein
44
FNA=
fine needle aspiration
45
INR=
international normalized ratio
46
PSA=
prostate specific antigen
47
PT=
prothrombin time
48
PTT=
partial thromboplastin time
49
Discuss the main advantages of using US for biopsy guidance.
real time video, flexible patient positioning, portability, lack of radiation, decreased cost, shorter procedure times
50
List the limitations of US biopsy guidance.
Not all masses can be visualized, bowel gas, needle may deviate, fixed angles, inexperienced sono techs
51
The most common indication for a biopsy is to confirm ___ in a mass.
malignancy
52
Identify the contraindications of a biopsy.
Uncorrectable bleeding disorder, lack of safe needle path, uncooperative patient
53
Which lab test is used to evaluate the effects of heparin, aspirin, and antihistamines on the blood clotting process?
PTT- partial thromboplastin time
54
Biopsies are used to confirm if a mass is ___, ___, or ___.
benign, malignant, infectious
55
A ___ uses an automated, spring loaded device, termed a biopsy gun, to provide a core of tissue for histologic analysis.
core biopsy
56
FNA uses a __ needle to obtain cells from a mass.
thin
57
One method of US guided intervention is called the ___ technique and is performed without the use of a needle guide on the transducer.
free hand
58
Identify the benefits of using a needle guide.
faster learning curve, faster needle placement, assurance that the needle is going through the anesthetized area when multiple passes are required
59
The patient must be informed of the potential ___, alternate methods of obtaining the same info, and what would be the course of the disease if the biopsy were not performed and the correct treatment could not be planned.
risks
60
The national patient safety standards mandate that a "timeout" be performed at the beginning of any procedure. What is timeout and what is the purpose?
A chance to stop and double check name, ID, history, type and location of procedure. Document on screen that this was done.
61
Complications from an ultrasound guided biopsy are usually minor and may include ___ reactions, and ___.
postprocedural pain/discomfort, vasovagal reactions, hematomas
62
It is important to determine how much the mass moves with ___ and also how well and how long the patient can hold his/her breath.
respiration
63
Describe how to see the needle tip in US.
bobbing motion, angle transducer superior/inferior, harmonics/compound imaging, carefully reinsert needle and monitor
64
Whenever possible, a ___ approach should be used to prevent the possibility of a pnemothorax or damage to the intercostal arteries.
subcostal
65
Typically the ___ pole of the kidney is biopsied to prevent possible lacerations of the main renal vessels and ureter.
upper
66
Patients may be marked for thoracentesis or have the procedure under US guidance. Patients should be scanned in the __ position that the procedure will be performed in, which is usually in an upright position, through the back.
same

Spring Semester 2013 (13 decks)

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