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What is the success rate for Angioplasty?
Rate is greater than 98%
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What equipment is used for Angioplasty?
Guide catheter, Guide wire, and angioplasty balloon.
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What is the key factor of choosing a guide catheter?
Sufficient guide support
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List the standard dimensions of a guide catheter.
- French Size: 6
- Length: 100 cm
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Why are side holes in catheters.
Promotes profusion (the ability for blood to flow through the arteries)
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List the standard dimensions of a guide wire.
- Length: 180-300cm
- Diameter: 0.014in
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What is the standard profile for balloons and stents?
0.032 inches or less
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How is the pressure of a balloon measured?
Atms
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What is the diameter range for:
Coronary?
Peripheral?
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What are indications for Percutaneous Transluminal Coronary Angioplasty (PCTA)?
angina w/signifigant symptoms, angina w/ischemia, unstable angina, angina post CABG, acute MI, restenosis of a previous stent
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What are some contraindication of PTCA?
unstable cornary anatomy, extreme high risk anatomy, bleeding disorder, non-compliance w/procedure or post procedure care, multiple PTCA restenosis, and unable to give consent
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What is the TIMI scale?
A scale to classify blush
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Define the term "blush"
Angiographic opactication on microvasculature.
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What is TIMI Grade 0
Failure of contrast to enter microvasculature
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What is TIMI Grade 1?
Contrast is slow to enter, but fails to exit
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What is TIMI Grade 2?
Delayed entry and exit
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What is TIMI Grade 3?
Normal entry and exit
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What are prerequisites for pulling the sheath?
ACT must be lower than 150 seconds and systolic BP must be lower than 160
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If ACT is greater than 150 seconds, what action should take place?
Suture the sheath in place and retake ACT in 30 minutes
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If the BP is above the 160 systolic, what action should take place?
Check with doctor to see what medications should be ordered.
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What is the first step of removing the sheath?
Palpate femoral site for pulse and sheath
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