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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
Q

One method of US guided intervention is called the ___ technique and is performed without the use of a needle guide on the transducer.

A

free hand

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26
Q

Identify the benefits of using a needle guide.

A

faster learning curve, faster needle placement, assurance that the needle is going through the anesthetized area when multiple passes are required

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27
Q

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.

A

risks

28
Q

AFP=

A

alpha fetoprotein

29
Q

FNA=

A

fine needle aspiration

30
Q

INR=

A

international normalized ratio

31
Q

PSA=

A

prostate specific antigen

32
Q

PT=

A

prothrombin time

33
Q

PTT=

A

partial thromboplastin time

34
Q

Defect in blood clotting mechanisms

A

coagulopathy

35
Q

Diminished blood volume

A

hypovolemia

36
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

37
Q

Collection of air or gas in the pleural cavity

A

pneumothorax

38
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

39
Q

Decreased systolic and diastolic blood pressure below normal

A

hypotension

40
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

41
Q

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

A

thoracentesis

42
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

43
Q

AFP=

A

alpha fetoprotein

44
Q

FNA=

A

fine needle aspiration

45
Q

INR=

A

international normalized ratio

46
Q

PSA=

A

prostate specific antigen

47
Q

PT=

A

prothrombin time

48
Q

PTT=

A

partial thromboplastin time

49
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

50
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

51
Q

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

A

malignancy

52
Q

Identify the contraindications of a biopsy.

A

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

53
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

54
Q

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

A

benign, malignant, infectious

55
Q

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

A

core biopsy

56
Q

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

A

thin

57
Q

One method of US guided intervention is called the ___ technique and is performed without the use of a needle guide on the transducer.

A

free hand

58
Q

Identify the benefits of using a needle guide.

A

faster learning curve, faster needle placement, assurance that the needle is going through the anesthetized area when multiple passes are required

59
Q

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.

A

risks

60
Q

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

A chance to stop and double check name, ID, history, type and location of procedure. Document on screen that this was done.

61
Q

Complications from an ultrasound guided biopsy are usually minor and may include ___ reactions, and ___.

A

postprocedural pain/discomfort, vasovagal reactions, hematomas

62
Q

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.

A

respiration

63
Q

Describe how to see the needle tip in US.

A

bobbing motion, angle transducer superior/inferior, harmonics/compound imaging, carefully reinsert needle and monitor

64
Q

Whenever possible, a ___ approach should be used to prevent the possibility of a pnemothorax or damage to the intercostal arteries.

A

subcostal

65
Q

Typically the ___ pole of the kidney is biopsied to prevent possible lacerations of the main renal vessels and ureter.

A

upper

66
Q

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.

A

same

Spring Semester 2013 (13 decks)

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