True or False: During a left heart biopsy you should give heparin.
Yes, 5000IU to avoid thrombi going to the brain
What is the maximum annual Radiation exposure?
5 REM
What is the therapeutic INR range for someone on warfarin/coumadin?
2.0-3.0
What is a normal INR for someone not on coumadin/warfarin?
INR 0.6-1.2
When using FFR, what drug is given and how is it delivered?
Adenosine causes hyperemia (Increased blood flow to the tissues.
Can be delivered by either IV or IC
What are the pros and cons of a mechanical aortic valve?
Pros: last longer
Cons: Prone to thrombus formation
Why would you use Cardiac Resynchronization Therapy (CTR) pacing device
(such as biventricular pacing)? How many leads does it use? Where are they
placed?
uses 2-3 leads
placed through a vein in the RA, RV and into coronal sinus vein to pace the LV
A CRT device sends small electrical impulses to both lower chambers of the heart to
help them beat together in a more synchronized pattern.
What are the angioplasty guidewire calibers?
0.014-0.018 inch
When can you detect Myoglobin after an MI?
2-4 hours after symptom onset normal in 24-36 hours
What is the diameter of the standard J wire?
0.035
What is the Warfarin ( Coumadin) antagonist?
vitamin K
When shooting a LIMA, the cuff should be?
Isolateral (same side as LIMA) left arm
What is the usual time for restenosis to occur?
within 6 months
What size is the red sheath?
*4F-red
What size is the grey sheath?
5F-grey
What size is the green sheath?
6F- green
What size is the orange sheath?
7F-orange
What size is the blue sheath?
8F-blue
What size is black sheath?
, 9F-black
What is the name of the self expanding stent used in the carotid arteries, SVG,
Iliac and femoral vessels?
Wall stent
Where can a wall stent be used?
carotid arteries, SVG, Iliac and femoral vessels
What is the loading dose of aspirin in a patient with ischemia/chest pain?
162-325 mg
Should you increase or decrease burr speed when you increase from a 1.25-2.15
burr?
decrease
Where does the apex point in a RAO view?
* RAO=apex points to the right
Where does the apex point in a LAO view?
*LAO= apex points to the left
What medication do you give when doing FFR? How does it measure?
adenosine
Measure by hyperemic effect (max dilation of vessels)
What medication should you give before using IVUS to avoid spasm?
Always give 200 nitro before using IVUS to avoid spasm.
What is the proper placement of an IABP?
1-2cm distal to left subclavian and promixal to the renals.
Where do we stick for neck access for right heart?
Right internal jugular vein
What is the average Adult Hematocrit in %?
Men 45%
Women 40%
What are softer guidewires used for?
They Are easier/safer in a tortuous vessel
What is a normal QRS complex duration?
0.08 - 0.12 sec (2 - 3 small squares)
Where does a homograft valve come from?
From another human heart explanted at autopsy
What is atherectomy?
Reduction of plaque by using rotational, laser or directional atherectomy device
How does perclose work?
Perclose device uses nonabsorbable suture with 2 needles to attach the suture
material.
What are the signs of a LBBB?
LBBB( left bundle branch block)
QRS >0.12 sec
V5,V6 V1 negative deflection
What can lidocaine be used for other than pain relief?
Lidocaine also used for ventricular arrhythmias * Ca channel blocker affect directly
purkinge fibers
Why is it important to lower the image intensifier?