Case Scenario 2: 6-month-old boy with poor weight gain

Physical examination:
Pallor
HR 150/min (tachycardic)
RR 50/ min (tachypnoeic)
SPO2 98% on room air
Cardiovascular examination: Apex beat displaced, S1 S2 heard with Grade 4/6 pansystolic murmur at lower left sternal edge, radiating all over praecordium. Femoral pulses palpable.
Lung: Equal breath sound bilaterally with generalised crepitation
Abdomen: soft, not distended. Liver palpable 4cm below costal margin. No palpable spleen.


Click on icon to show the growth chart of Chan.

Click on icon to show the chest x-ray of Chan.

Answer the following questions in regards to the case scenario above.