A 5-day old male baby is brought in by his mother for decreased breast-feeding. On examination the child is flat and hypoactive with HR 162, RR 66 and temperature 38.5°C. There is no skin rash.

1. List five causes for a collapsed neonate. 5 marks

Bloods tests are taken and the following results are available : WCC 21 Platelets 155 CRP 50 pH 7.21 pCO2 20 HCO3 15 Lact 4.0 BGL 1.6

2. Outline your next immediate management step. 1 mark

3. List three additional investigations that must be performed. 3 marks

4. List three most common pathogens involved in early-onset neonatal sepsis. 3 marks

5. What is your antibiotic regimen of choice in this neonate, including doses? 2 marks