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PCI Quiz prep

PTCA hw...

Many patients with classic contraindications to PTCA are ow receiving PTCA by aggressive cariologists. One remaining angiographic contraindication is: Diffusely diseased small caliber vessels
The anticoagulation of choice during PTCA is: Heparin 2000 - 5000 units, to keep ACT around 200 sec
Prior to advancing a PTCA balloon catheter across a lesion, the tracking guidewire should be positioned: Across the lesion and as far distal as possible
Successful techniques for advancing a balloon catheter across a tight lesion include all of the following EXCEPT: vibrate the balloon while advancing; Rotating the balloon while advancing; use firm backup guider support; Pull back slightly on wire Rotating the balloon while advancing
Prior to an angiographic "look" following each PTCA balloon inflation, the cardiologist usually: Pulls the balloon back into the catheter
Regarding pulling the sheath post PTCA, all are true except: Sheaths should be sutured or taped to skin, remove sheaths when ACT is < 140-160 sec; leave sheath for several hrs w/ heparin IV; remove sheath immediately after d/c of heparin drip Sheaths should be removed immediately upon discontinuing the Heparin drip
The two most common major PTCA complications attributed to guide-wire handling are: Coronary artery dissection and abrupt closure (due to not getting the stent up in time.)
what type of PTCA complication is most likely to heal spontaneously? Longitudinal dissection
Mechanisms of restenosis post PTCA include all of the following except: elastic recoil; coronary spasm; vascular remodeling; Intimal hyperplasia coronary spasm
What are the advantages of cutting balloons?: no stent is required; no anticoagulation is required during the procedure; vessel debulking; vessel spasm is avoided vessel debulking
Most PTCA sheaths are available with a blunt tip obturator. Benefits are all axcept: Prevents sheath kinking; Reduces clot formation within the sheath; allows pressure monitoring through the sheath; Prevents accidentally pulling sheath out of the artery prevents accidentally pulling sheath out of the artery
During PTCA do not overtighten the hemostatic valve or it may: Restrict balloon inflation
PTCA balloon inflation pressure are usually measured in: atmospheres
The Judkins Left curve is most similar to which of the following curve styles? Multipurpose B curve; Amplatz L IV; Voda Left; Hockey stick Voda Left
PTCA guidewires vary in core flexibility. Magnum Meir, Standard, and hydrophilic wires are best usually used for: crossing total occlusions
The usual length of a steerable SOE (monorail) PTCA guidewire is: 145- 150 cm
In the "through the wire" or "preloaded" technique of PTCA, when balloon catheter and wire are passed into the guider the wire should: not protrude; protrude 2-3cm; Already be in the distal vessel; Not be loaded until balloon is at the tip of the guider Protrude 2-3cm
A cardiologist passes a .014 standard wire through a 6F, J4 guider cather usine the "bare wire" technique. He is having difficulty crossing s tight lesion with the wire. All may help him cross lesion except: Selecting a floppy tip wire
What would you recommend to the operator whose guidewire has become trapped ina tight lesion, the wire may remain intact but the spring unravel as the operator pulls it back? Try to attempt to all of the following: Gently insert and twist the wire, in an attempt to coil it back up
The main function of a perfusion balloon during PTCA is to: Prevent ischemia to distal myocardium
Compared to the over- the - wire balloon catheters, the chief advantage of the monorail balloon design is: their rapid exchange of balloons
Currently the most compliant PTCA balloon catheters are made from:
Currently the thinnest wall balloon catheters are made from:
When very compliant balloons are used to dilate hard lesions the inflated balloon may form a waist around the middle. The chief concern about "dog boning" is that it may lead to:
During PTCA balloon sizing, the ideal balloon to artery ratio is:
Successful vessel remodeling with PTCA takes all these forms EXCEPT: Lesion cracking; Lesion debulking; Vessel stretching; Plaque compression
A standard length balloon OTW catheter is:
When using the bare-wire technique with a SOE or monorail balloon:
When a bare-wire technique is employed with an over=-the-wire balloon, exchanges may be made with all of the following EXCEPT: Excxhange wire; Magnet or relay device; Trapper or anchor device; Hydrophilic coated Glidewire
If a patient has a rigid lesion and the physician asks you to recommend a high pressure PTCA balloon. What type of balloon would you recommend?
What PTCA catheter/wrire insertion technique is described? "The guidewire is advanced by itself into the guider and through the coronary vessel. Only when the guidewire has successfully corssed the lesion, is the balloon catheter opened and prepped."
In brachial cutdown cases the following sutures may be used to isolate the artery and vein:
Created by: ICVT2b