RCIS Exam Prep 2023 with 100% correct answers

True or False: During a left heart biopsy you should give heparin. - correct answerYes, 5000IU to avoid thrombi going to the brain What is the maximum annual Radiation exposure? - correct answer5 REM What is the therapeutic INR range for someone on warfarin/coumadin? - correct answer2.0-3.0 What is a normal INR for someone not on coumadin/warfarin? - correct answerINR 0.6-1.2 When using FFR, what drug is given and how is it delivered? - correct answerAdenosine 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? - correct answerPros: 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? - correct answeruses 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? - correct answer0.014-0.018 inch When can you detect Myoglobin after an MI? - correct answer* 2-4 hours after symptom onset * normal in 24-36 hours