Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Foundations > Catheter basics > Flashcards

Catheter basics Flashcards

1
Q

3 types of steering and handles

A

Fixed handle

Uni directional

Bidirectional

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Fixed handle

A

1 curve

Cannot be changed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Unidirectional

A

Able to deflect in only 1 direction

Common curves:
D, F, J

Plunger handle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Bidirectional

A

Able to deflect in 2 directions

Common curves:
D/F. F/J

EZ steer handle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Fixed handle (cont) curves

A

A curve, josephson
Small curve for small areas
HRA, RVA

D curve, domato
Large curve suited for ventricles

F curve
Cournand
Longer curve for HIS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Outer/inner polyurethane coating

A

Determines

Pushability
Torque
Flexibility

It is:
Biocompatible 
Tear resistant 
Flexible 
Abrasion resistant 
Strong
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Stainless steel wire braiding

A

32 double wire braiding in the shaft

Unique to BWI (others use 16)

Provides superior handling and control
Precise 1 to 1 torqueability
Stability

16 single wire braiding in the tip

Improved tissue contact
Less chance of trauma
Excellent tip stability
Helps keep electrode on spot while applying energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Lead wire

A

of lead wires correlates to the # of electrodes the cath has

Carries electrical info from electrodes to cable to PIU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Compression coils

A

0.1 mm stainless wire rolling on compression coil

Prevents waviness of shaft during deflection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Puller wire

A

Puller wire attaches to an anchor at the distal tip of catheter

Allows for predictable tip deflection with minimal chatter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Electrodes

A

Catheters are named based on the number of electrodes
Deca polar

Allow catheters to pace and record electrical activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Electrodes are made of

A

90% platinum (high conductivity)

10% iridium (increased hardness)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Electrode spacing

A

Measured in mm from center of one electrode to the center of the next
2-8-2

Unique to BWI
Gives higher signal resolution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Catheter tip

A

Can be rounded (domed)

1-8mm in length

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Core diagnostic catheters are only approved for:

A

Stimulation and recording

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The 3 core diagnostic catheters are:

A

Quadripolar

Decapolar

Twenty pole catheters

17
Q

Quadrapolar catheters are:

A

Core diagnostic

4 electrodes
Spaced 5, 10, or 2-5-2

18
Q

Decapolar catheters are:

A

Core diagnostic

10 electrodes

2-8-2 spacing

Uni and bidirectional

Used for activation sequence large area

Most common
Webster CS catheter

19
Q

20 pole catheters are:

A

Core diagnostic

20 electrodes

2-8-2 or 2-10-2 spacing

Uni directional

Used in place of 2 decapolar catheters

Most common
Duo deca
2-8-2 with 60mm gap between distal and proximal 10 electrodes

20
Q

Therapeutic catheters are approved for:

A

Stimulation, recording, electro anatomical mapping, and ablation

21
Q

Two types of therapeutic catheters are:

Tip

A

Solid tip

Irrigated tip

22
Q

Two types of solid tip catheters are:

Therapeutic

A

Navistar 4mm

Webster 8mm (DS)

23
Q

Navistar 4mm is:

A

Therapeutic catheter: solid tip

2 distal 2 proximal electrodes allow for bipolar signalsw

D or F curve

Commonly used to treat focal arrhythmias in thin walled areas. RA

1st ablation catheter

24
Q

Webster 8mm dual sensor (DS) is:

A

Therapeutic catheter: solid tip

Measures temperatures at 2 locations via thermocouples

2 distal 2 proximal electrodes allow for bipolar signalsw

Deflectable tip

D, F, J curves

Used for linear ablations

Indicated for use: type 1 atrial flutter patients 18 or older

25
Q

Two types of irrigated tip catheters

Therapeutic

A

Thermacool catheter
(Smart touch)

Thermocool catheter SF
Smarttouch

26
Q

Thermocool catheter is:

A

Therapeutic

27
Q

Thermocool SF catheter is:

A

Therapeutic

3.5 mm tip electrode
Spacing 2-5-2
Uni and bidirectional 
Curves D, F, J and D/F, F/J
Porous tip
28
Q

Advanced diagnostic catheters are approved for:

A

Stimulation, recording, and electro anatomical mapping

29
Q

The 3 advanced diagnostic catheters are:

A

Decanav mapping catheter

Pentaray NAV catheter

Lasso NAV Catheter

30
Q

Decanav mapping catheter is:

A

Advanced mapping catheter

10 electrodes 
2-8-2 spacing
Unidirectional 
F and D curve
Has a single proximal IVC electrode that can be used for unipolar recording signals

Designed for use in atria, ventricles, and CS

31
Q

Pentaray NAV catheter is:

A

Advanced diagnostic

5 soft spines (spider web)
20 total electrodes, 4 1mm electrode per
Spacing 4-4-4 or 2-6-2
Curve: F or D
Unidirectional 
Irrigated at base of splines

Obtain electrograms in atrial and ventricles

32
Q

Lasso NAV catheter is:

A

Advanced diagnostic

Nitinol loop
10-20 electrodes
Fixed or variable loop
Used for electrograms in atrial regions

Fixed loop
15, 20, 25 mm diameter
Spacing: 4.5, 6, 8
Unidirectional D curve

Variable loop
25-15 mm diameter
Spacing 8mm or 2-6-2

Unidirectional D curve

Foundations (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions