Which of the Following Mechanisms Is Responsible for the Augmentation

question 27

Multiple Choice

Which of the following mechanisms is responsible for the augmentation of coronary arterial blood flow and increased myocardial oxygen supply seen with the intra-aortic balloon pump?

• A) The vacuum created in the aorta as a result of balloon deflation
• B) Diastolic inflation with retrograde perfusion
• C) Forward flow to the peripheral circulation
• D) Inflation during systole to augment blood pressure

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