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IABP eLearning: Therapy Program Questions and Answers
Typology: Exams
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Intra-aortic balloons are indicated for: Prophylactic support for PTCA or anesthesia induction, incompetent aortic valve, and cerebral stroke End stage cardiac disease, incompetent aortic valve, cardiogenic shock, septic shock Acute coronary syndrome, cardiac and non-cardiac surgery, and complications of heart failure Brain death, sheathless insertion with severe obesity or scarring of the groin, carotid artery surgery CORRECT ANS-Acute coronary syndrome, cardiac and non-cardiac surgery, and complications of heart failure Diastolic Augmentation can be affected by: Timing IAB Position Patient hemodynamics All of the above CORRECT ANS-All of the above Restriction of gas flow through the IAB may be caused by: Decreased SVR Hyperthermia Kink in the catheter Helium diffusion CORRECT ANS-Kink in the catheter Stroke volume may be decreased by: Tachycardia, decreased cardiac index, dysrhythmias Catheter kink, tachycardia, failure to unfold Water Condensation, dysrhythmias, catheter kink Vasoactive drugs, body temperature, water condensation CORRECT ANS-Tachycardia, decreased cardiac index, dysrhythmias
The two atrioventricular valves are: Mitral and aortic Mitral and tricuspid Aortic and pulmonic Mitral and pulmonic CORRECT ANS-Mitral and tricuspid The two semilunar valves are: Aortic and pulmonic Aortic and mitral Pulmonic and tricuspid Pulmonic and mitral CORRECT ANS-Aortic and pulmonic The dicrotic notch signifies: The beginning of systole The beginning of diastole The onset of isovolumetric contraction Ventricular filling CORRECT ANS-The beginning of diastole The intra-aortic balloon will be timed to inflate: At the dicrotic notch Just before the end of diastole At the onset of systole At the opening of the aortic valve CORRECT ANS-At the dicrotic notch The intra-aortic balloon will be timed to deflate:
Cardiac output Stroke Volume CORRECT ANS-Afterload Coronary arteries receive the majority of arterial blood supply during: Systole Diastole Ventricular repolarization Isovolumetric contraction CORRECT ANS-Diastole The primary effects of intra-aortic balloon counterpulsation are: Increased myocardial oxygen demand/decreased myocardial oxygen supply Decreased myocardial oxygen demand/decreased myocardial oxygen supply Decreased myocardial oxygen demand/increased myocardial oxygen supply Increased myocardial oxygen demand/increased myocardial oxygen supply CORRECT ANS- Decreased myocardial oxygen demand/increased myocardial oxygen supply Deflation of the IAB will result in: Decreased afterload and decreased myocardial oxygen demand Increased afterload and increased myocardial oxygen supply Increased coronary artery perfusion and increased afterload Increased systolic pressure and increased myocardial oxygen demand CORRECT ANS- Decreased afterload and decreased myocardial oxygen demand The trigger event: x Is used to set inflation and deflation timing Identifies the onset of the next cardiac cycle
Signals the balloon pump to autofill the IAB Is no longer used on the balloon pump CORRECT ANS-? Proper placement of the intra-aortic balloon catheter in a femoral artery insertion is with the tip of the catheter: 2 - 3 cm proximal to the renal artery Just distal to the left subclavian artery Proximal to the innominate artery At the 4th-5th intercostal space CORRECT ANS-Just distal to the left subclavian artery Balloon placement does not affect diastolic augmentation. False True CORRECT ANS-F An intra-aortic balloon membrane could be abraded by calcific plaque, leading to a membrane leak. False True CORRECT ANS-T Unassisted Systole is: A B x C D E F CORRECT ANS-
Unassisted End Diastolic Pressure is: A B C D E F CORRECT ANS-D