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 Best of Five 164

 

   

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BOF: 164

A cardiac catheterisation study performed on an asymptomatic 21-year-old male demonstrated the following:

 

 

Pressure mm Hg

Oxygen Saturation %

SVC

 

66

RA (mean)

7

79

RV

26/2

78

PA

25/7

80

LA (mean)

7

98

LV

114/0

97

Aorta

110/60

97

 

 

In this patient, which of the following statements about the E.C.G. is true?

a)      The ECG is likely to show right bundle branch block, right axis deviation, sharp right atrial P waves, prolongation of PR interval, absent QR in V5-V6 

b)      The ECG is likely to show rSR in V1 with left axis deviation, P mitrale and absent QR in V5-V6

c)      The ECG is likely to show P mitrale

d)      The ECG is likely to show a short PR interval, right bundle branch block, left axis deviation and deep Q waves in V5-V6

e)      The ECG is likely to show right bundle branch block, right axis deviation, sharp left atrial P waves and deep Q waves in leads V5-V6

 

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