DM / DNB Cardiology Entrance Mock Test 10

DM / DNB Cardiology Entrance Mock Test 10

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Question 1Change in systolic pressure with IABP in augmented beats:ABiphasic response
BFalls by 10%
CRises by 15%
DNo change
Question 1 Explanation:  During intra aortic balloon pump (counterpulsation) or IABP, a balloon kept in the descending aorta is inflated during diastole and deflated during systole. Hence the augmented diastolic pressure is above the systolic pressure generated by the failing left ventricle. Systolic pressure of augmented beats is lower than that of non augmented beats because the left ventricle pumps into an aorta that is virtually empty on deflation of the balloon.Question 2Usual corrected sinus node recovery time:AMore than 1500 millisecondsBNone of the aboveCLess than ...

Source: Cardiophile MD - February 1, 2016 Category: Cardiology Authors: Prof. Dr. Johnson Francis, MD, DM, FACC, FRCP Edin, FRCP London Tags: Cardiology MCQ DM / DNB Cardiology Entrance Featured Source Type: blogs