A 79-year-old man receiving chemotherapy for lymphoma develops fever of 38.5 °C and rigors. His neutrophil count is 0.2 × 10⁹/L. Blood pressure is 95/60 mmHg and heart rate 110 beats/min. What is the most appropriate immediate management?AObserve and repeat blood tests in 6 hoursBStart broad-spectrum intravenous antibiotics within 60 minutesCOrder blood cultures but withhold antibiotics until results are availableDGive oral amoxicillin-clavulanate and dischargeEStart prophylactic low-molecular-weight heparin onlyCheck my answer