Atrial Septal Defect - Self Assessment Questions

Please check one answer only

1) What is the cause of the systolic murmur in a secundum ASD ?
a) Flow across the defect
b) Vibration of the septum
c) Flow across the tricuspid valve
d) Flow across the pulmonary valve
e) Right ventricular hypertrophy

2) The commonest presentation for an ASD is ?
a) Breathlessness
b) Failure to thrive
c) Asymptomatic murmur
d) Recurrent chest infections
e) Arrhythmias

3) Which investigation is most useful ?
a) ECG
b) CXR
c) Echo
d) MRI
e) CT scan

4) Which is NOT an ECG sign of an ASD ?
a) Right ventricular hypertrophy
b) Right axis deviation
c) RsR pattern in V1
d) Right bundle branch block
e) Left bundle branch block

5) Which is NOT a CXR sign of an ASD ?
a) Left atrial enlargement
b) Right ventricular enlargement
c) Pulmonary artery enlargement
d) Pulmonary plethora
e) Cardiomegaly

6) Surgical Closure using cardiopulmonary bypass was first achieved in ?
a) 1890s
b) 1910s
c) 1930s
d) 1950s
e) 1970s

7) Which of the following is true regarding surgical repair ?
a) Non-bypass surgery is required
b) 2% mortality rate
c) Recurrent laryngeal palsy is a risk
d) Pericardial effusion may occur late
e) Customary hospital stay 10 days

8) Which is true of device closure of ASD ?
a) Commonest material is nitinol/dacron
b) 30% are suitable for device closure
c) Closure can be achieved at all ages
d) Endocarditis prophylaxis is required for life
e) Anticoagulation is required for life

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