Intra-aortic Balloon Pumps (IABP) with Complete Questions and Answers
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Course
Intra-aortic Balloon Pumps
Institution
Intra-aortic Balloon Pumps
Intra-aortic Balloon Pumps (IABP) with Complete Questions and AnswersIntra-aortic Balloon Pumps (IABP) with Complete Questions and AnswersIntra-aortic Balloon Pumps (IABP) with Complete Questions and AnswersIntra-aortic Balloon Pumps (IABP) with Complete Questions and Answers
5 phases of the cardi...
5 phases of the cardiac cycle: phase 1 - ANSWER-Atrial systole
-completion of diastolic filling (atrial kick; 30%)
5 phases of the cardiac cycle: phase 2 - ANSWER-Isovolumetric contraction
Increased pressure in LV (no volume increase, only pressure)
Largest oxygen expenditure (up to 90%)
5 phases of the cardiac cycle: phase 3 - ANSWER-Ventricular ejection phase
Ejection of blood into aorta
, Slow ejection, then rapid, then slow again
5 phases of the cardiac cycle: phase 4 - ANSWER-Isovolumetric relaxation
Ventricular diastole
No volume changes, just pressure as the ventricles are relaxing
5 phases of the cardiac cycle: phase 5 - ANSWER-Diastasis-ventricular filling
Rapid filling, then slow
Premature augmentation - ANSWER-Inflation of the balloon occurs prior to
the dicrotic notch
Complications of premature augmentation - ANSWER-Blood is forced back to
the left ventricle, or premature closure of the aortic valve
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