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COMPREHENSIVE EXAM > IR Removal > Flashcards

IR Removal Flashcards

1
Q

highly specialized medical equipment whose properties interact with that of the catheter to produce a safe and accurate method of catheter placement.

A

Guidewires

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2
Q

The basic characteristics of a guidewire include

A

length, diameter, tip shape, core stiffness, taper, and coating.

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3
Q

Standard Guidewire length

A

Standard guidewires are 145 cm long, (4 to 5 feet)

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4
Q

often used because it is less traumatic, leading with a smooth curve rather than a straight tip, which can catch on atheromatous plaques and vessel origins.

A

J Tip

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5
Q

The curve is described by its radius, usually ranging from __ to __ and chosen to match the size of the vessel.

A

1.5 to 15mm

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6
Q

The outer diameter of the coil is the width of the guidewire and usually is expressed in inches

A

(0.018- inch, 0.035-inch, 0.038-inch).

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7
Q

The standard diameter for guidewires used in diagnostic arteriography is

A

0.035 inches

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8
Q

is the prime determinant of a guidewire’s overall stiffness.

A

MANDRIL/MANDREL CORE

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9
Q

Why most standard guidewires are coated with Teflon?

A

to allow easy travel of the catheter over them.

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10
Q

used to reduce wire thrombogenicity.

A

Heparin based coatings

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11
Q

when wet, have an extremely low coefficient of friction.

A

hydrophilic polymer coatings

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12
Q

All-purpose wire for navigating large to medium vessels, abscess cavities, etc.

A

Newton (Guidewire)

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13
Q

Newton Stiffness

A

Medium

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14
Q

Useful for visceral artery exchanges where extra (short support needed)

A

Rosen

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15
Q

Rosen Stiffness

A

Stiff

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16
Q

Rosen Stiffness

A

Stiff

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17
Q

Bentson Tip and Stiffness

A

Straight with floppy tip / Very stiff

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18
Q

good for crossing with small, tortuous vessels or stenosis

A

Bentson

19
Q

to guide large, stiff with catheters such as angioplasty balloons, stents, or relatively IVC filters, and for catheter exchanges

A

Amplatz

20
Q

Straight with relatively soft tip, Very stiff

A

Amplatz

21
Q

0.014-in. to 0.038-in. diameter. To guide the catheter into place during CVC (central venous catheter) insertions.

A

Glidewire

22
Q

Core stiffness – Soft to Stiff

Coating – Hydrophilic

Tip – Straight or angled

A

Glidewire

23
Q

0.010-in. to 0.018-in. diameter, made of steel, platinum, or nitinol

A

Steerable

24
Q

Core stiffness – Soft to Stiff

Coating – Teflon / Hydrophilic

Tip – Shapeable

A

Steerable

25
Q

It required the following, needles, wires, catheters, balloons, and stent.

also are invaluable tool for interventionist.

A

CATHETERS

26
Q

It consists of a hub at the rear end and a distal tubular shaft.

A

Catheter

27
Q

should have strength, good torque control, radiopacity, flexibility, an atraumatic tip, and low surface friction for good trackability over a guidewire.

A

Ideal Catheter

28
Q

are the most important tool in any vascular intervention.

A

angiographic catheters

29
Q

is easy to shape and is commonly used.

A

Polyethylene

30
Q

Chemical Name of Teflon

A

polytetrafluoroethylene

31
Q

is slippery and can be used for passing through scar or graft material.

A

Teflon

32
Q

has good stiffness and torque-control characteristics

A

Nylon

33
Q

The most commonly used diagnostic catheters are

A

4fr to 5fr

34
Q

size of Diagnostic Ctheters and Coaxial Micro Catheters

A

3Fr / 2fr to 3fr

35
Q

is on the trailing end and is where syringes and injectors can be attached and wires

A

Hub

36
Q

provides length to the catheter to enable it to reach the target vessel.

A

Shaft

37
Q

of the catheter is tapered to fit the guidewire and facilitate atraumatic percutaneous insertion.

A

Tip

38
Q

Basic catheter used to study vessel punctured or vessels with straight take offs

A

Straight

39
Q

Large internal diameter, high flow capacity. Effective and safe method ofdraining pleural fluid.

A

Pig tail

40
Q

use for temporary ureteral occlusion and applications including, renal opacification, dislodgment of calculi and preventative calculi migration.
Large internal diameter, high flow capacity.

A

Berenstein

41
Q

helps in the cannulation of visceral arteries, such as renal, bronchial, or celiac arteries. Visceral Catheter

A

Cobra

42
Q

selective cervico cerebral artery catheterizations Requires reformation in the aortic arch or aortic bifurcation. for delivering contrast agents

A

Simmons

43
Q

useful for crossing aortic bifurcation

A

Mikkaelson

COMPREHENSIVE EXAM (9 decks)

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